Task: Text to Code
Input (English): SQL: SELECT T3.Fname , T3.Sex FROM Allergy_Type AS T1 JOIN Has_Allergy AS T2 ON T1.Allergy = T2.Allergy JOIN Student AS T3 ON T2.StuID = T3.StuID WHERE T1.Allergy = "Cat" AND T1.AllergyType = "Milk"
Feedback: Make sure allergy not equals Cat , replace allergy type allergy type with allergy .
Output (English): SELECT fname ,  sex FROM Student WHERE StuID IN (SELECT StuID FROM Has_allergy WHERE Allergy  =  "Milk" EXCEPT SELECT StuID FROM Has_allergy WHERE Allergy  =  "Cat")