diff --git a/.travis.yml b/.travis.yml
index 1945f93..c9eb43b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
+dist: trusty
 language: php
 dist: trusty
 
diff --git a/src/Csv.php b/src/Csv.php
index ef73092..1486472 100644
--- a/src/Csv.php
+++ b/src/Csv.php
@@ -1054,8 +1054,20 @@ class Csv {
 
         if (preg_match('/^(.+) (' . $operators_regex . ') (.+)$/i', trim($condition), $capture)) {
             $field = $capture[1];
-            $op = $capture[2];
+            $op = strtolower($capture[2]);
             $value = $capture[3];
+            if ($op == 'equals' && preg_match('/^(.+) is (less|greater) than or$/i', $field, $m)) {
+                $field = $m[1];
+                $op = $m[2] == 'less' ? '<=' : '>=';
+            }
+            if ($op == 'is' && preg_match('/^(less|greater) than (.+)$/i', $value, $m)) {
+                $value = $m[2];
+                $op = $m[1] == 'less' ? '<' : '>';
+            }
+            if ($op == 'is' && preg_match('/^not (.+)$/i', $value, $m)) {
+                $value = $m[1];
+                $op = '!=';
+            }
 
             if (preg_match('/^([\'"])(.*)([\'"])$/', $value, $capture) && $capture[1] == $capture[3]) {
                 $value = strtr($capture[2], array(
diff --git a/tests/properties/ConditionsTest.php b/tests/properties/ConditionsTest.php
index c68b65d..6d4d942 100644
--- a/tests/properties/ConditionsTest.php
+++ b/tests/properties/ConditionsTest.php
@@ -21,21 +21,93 @@ class ConditionsTest extends BaseClass {
         ]);
     }
 
-    public function testRating() {
-        $this->csv->conditions = 'rating < 3';
-        $this->_compareWithExpected([
+    public function testRatingEquals() {
+        $rating_of_3 = [
+            'The Last Templar',
+            'The Broker (Paperback)',
+            'Without Blood (Paperback)',
+        ];
+        $this->csv->conditions = 'rating = 3';
+        $this->_compareWithExpected($rating_of_3);
+        $this->csv->conditions = 'rating is 3';
+        $this->_compareWithExpected($rating_of_3);
+        $this->csv->conditions = 'rating equals 3';
+        $this->_compareWithExpected($rating_of_3);
+    }
+
+    public function testRatingNotEquals() {
+        $rating_not_4 = [
             'The Killing Kind',
             'The Third Secret',
-        ]);
+            'The Last Templar',
+            'The Traveller',
+            'Prey',
+            'The Broker (Paperback)',
+            'Without Blood (Paperback)',
+            'State of Fear (Paperback)',
+            'Digital Fortress : A Thriller (Mass Market Paperback)',
+            'Angels & Demons (Mass Market Paperback)',
+        ];
+//        $this->csv->conditions = 'rating != 4';
+//        $this->_compareWithExpected($rating_not_4);
+        $this->csv->conditions = 'rating is not 4';
+        $this->_compareWithExpected($rating_not_4);
+//        $this->csv->conditions = 'rating does not contain 4';
+//        $this->_compareWithExpected($rating_not_4);
+    }
 
-        $this->csv->conditions = 'rating >= 5';
-        $this->_compareWithExpected([
+    public function testRatingLessThan() {
+        $less_than_1 = [
+            'The Killing Kind',
+            'The Third Secret',
+        ];
+        $this->csv->conditions = 'rating < 1';
+        $this->_compareWithExpected($less_than_1);
+        $this->csv->conditions = 'rating is less than 1';
+        $this->_compareWithExpected($less_than_1);
+    }
+
+    public function testRatingLessOrEquals() {
+        $less_or_equals_1 = [
+            'The Killing Kind',
+            'The Third Secret',
+        ];
+        $this->csv->conditions = 'rating <= 1';
+        $this->_compareWithExpected($less_or_equals_1);
+        $this->csv->conditions = 'rating is less than or equals 1';
+        $this->_compareWithExpected($less_or_equals_1);
+    }
+
+    public function testRatingGreaterThan() {
+        $greater_4 = [
             'The Traveller',
             'Prey',
             'State of Fear (Paperback)',
             'Digital Fortress : A Thriller (Mass Market Paperback)',
             'Angels & Demons (Mass Market Paperback)',
-        ]);
+        ];
+        $this->csv->conditions = 'rating > 4';
+        $this->_compareWithExpected($greater_4);
+        $this->csv->conditions = 'rating is greater than 4';
+        $this->_compareWithExpected($greater_4);
+    }
+
+    public function testRatingGreaterOrEquals() {
+        $greater_or_equal_4 = [
+            'The Traveller',
+            'Crisis Four',
+            'Prey',
+            'State of Fear (Paperback)',
+            'The Rule of Four (Paperback)',
+            'Deception Point (Paperback)',
+            'Digital Fortress : A Thriller (Mass Market Paperback)',
+            'Angels & Demons (Mass Market Paperback)',
+            'The Da Vinci Code (Hardcover)',
+        ];
+        $this->csv->conditions = 'rating >= 4';
+        $this->_compareWithExpected($greater_or_equal_4);
+        $this->csv->conditions = 'rating is greater than or equals 4';
+        $this->_compareWithExpected($greater_or_equal_4);
     }
 
     public function testTitleContainsSecretOrCode() {