Task: Text to Code
Input (English): SQL: SELECT Fname FROM Faculty EXCEPT SELECT Fname FROM Faculty
Feedback: In step 2 Also find activity name equals Canoeing or activity name equals Kayaking for professors .
Output (English): SELECT lname FROM faculty WHERE rank  =  'Professor' EXCEPT SELECT DISTINCT T1.lname FROM Faculty AS T1 JOIN Faculty_participates_in AS T2 ON T1.facID  =  T2.facID JOIN activity AS T3 ON T2.actid  =  T2.actid WHERE T3.activity_name  =  'Canoeing' OR T3.activity_name  =  'Kayaking'