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: tko, ring, corner, hearts, deck

A: hearts
****
Q: emotional supports, shameful, downward, loveful, down

A: downward
****
Q: emotional supports, board, bored, emotional state, fret

A:
board
****