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]: run, exercise, fall, drop, leaves
[EX A]: leaves

[EX Q]: fly, fish, flap, bike, glide
[EX A]: fish

[EX Q]: fret, strap lock, crying, anxious, emotionalities
[EX A]:
strap lock