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]: concerned, strap lock, anxious, bored, fret
[EX A]: strap lock

[EX Q]: level, corner, chips, deck, caution
[EX A]: chips

[EX Q]: bulky, ugly, calories, capacitance, fat
[EX A]:
calories