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]: invent, smuggled, smear, fudge, pie
[A]: pie


[Q]: fine, prime, arrest, hot, jail time
[A]: hot


[Q]: excavator, crane, flamingo, sandpiper, winch
[A]:
excavator