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]: signal, sea, current, drink, belated
[EX A]: belated

[EX Q]: hoist, neck, concrete pourer, hummingbird, crane
[EX A]: concrete pourer

[EX Q]: skinny, pasty, chunky, iron, fat
[EX A]:
iron