diff --git a/fuzzy_controllers.py b/fuzzy_controllers.py
index e3be79e..779ecdf 100644
--- a/fuzzy_controllers.py
+++ b/fuzzy_controllers.py
@@ -91,9 +91,9 @@ def fuzzy_controler_similiarity(categorical_data: str, numerical_data: str, vect
     FSS.set_crisp_output_value("big", 1)
 
     # TODO: add Word_vector_distance to rules
-    R1 = "IF (Categorical_similarity IS average) OR (Numerical_difference IS average) THEN (Similarity IS average)"
-    R2 = "IF (Categorical_similarity IS small) OR (Numerical_difference IS big) THEN (Similarity IS small)"
-    R3 = "IF (Categorical_similarity IS big) OR (Numerical_difference IS small) THEN (Similarity IS big)"
+    R1 = "IF (Categorical_similarity IS average) AND (Numerical_difference IS average) THEN (Similarity IS average)"
+    R2 = "IF (Categorical_similarity IS small) AND (Numerical_difference IS big) THEN (Similarity IS small)"
+    R3 = "IF (Categorical_similarity IS big) AND (Numerical_difference IS small) THEN (Similarity IS big)"
 
     FSS.add_rules([R1, R2, R3])