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: concerned, strap lock, anxious, bored, fret

A: strap lock
****
Q: level, corner, chips, deck, caution

A: chips
****
Q: streamline, common, firm, resistant, united

A:
resistant
****