Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

[EX Q]: fly, glide, flutter, eagle, train
[EX A]: eagle

[EX Q]: vitamin c, salt, fat, big, absorption
[EX A]: absorption

[EX Q]: dance hall, meeting, toast, group, club
[EX A]:
toast