query: SELECT FacID FROM Faculty EXCEPT SELECT FacID FROM Faculty_participates_in
question: Which faculty do not participate in no activity? Find their faculty ids.
query_toks: SELECT FacID FROM Faculty EXCEPT SELECT FacID FROM Faculty_participates_in
query_toks_no_value: select facid from faculty except select facid from faculty_participates_in
question_toks: Which faculty do not participate in no activity? Find their faculty ids.