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]: remorseful, flat, melancholy, down, shameful
[EX A]: flat

[EX Q]: toast, club, community, grilled cheese, hamburger
[EX A]: community

[EX Q]: smuggled, smear, unwarranted, fudge, cookies
[EX A]:
cookies