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: social, love, fawn, follow, kid

A: kid
****
Q: hot, classy, pretty, fine, probation

A: probation
****
Q: hike, cow, trap, row, fish

A:
cow
****