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.

Q: even, size, fair, level, ok

A: ok
****
Q: fine, even, unjust, impartial, fair

A: even
****
Q: hoist, mallet, crane, excavator, goose

A:
excavator
****