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]: blue, wave, current, timely, drink
[EX A]: timely

[EX Q]: fly, beetle, run, eagle, walk
[EX A]:
walk