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]: firm, tough, solid, hard, streamline
[EX A]: streamline

[EX Q]: foot, knee, eye, leg, ounce
[EX A]: ounce

[EX Q]: meat, integrity, grub, frank, weenie
[EX A]:
integrity