query: SELECT StuID FROM Student EXCEPT SELECT StuID FROM Participates_in
question: What-what of the students who are not involved in any activity are the id
query_toks: SELECT StuID FROM Student EXCEPT SELECT StuID FROM Participates_in
query_toks_no_value: select stuid from student except select stuid from participates_in
question_toks: What-what of the students who are not involved in any activity are the id