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]: cold, deal, make the grade, unprejudiced, fair
[EX A]: unprejudiced

[EX Q]: keys, file, download, folder, type
[EX A]: type

[EX Q]: chocolate cake, invent, fudge, unwarranted, lie
[EX A]:
chocolate cake