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]: sugars, fat, protein, skinny, iron
[EX A]: skinny

[EX Q]: flutter, soar, bee, jog, fly
[EX A]: bee

[EX Q]: excavator, parrot, crane, hummingbird, tackle
[EX A]:
excavator