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]: fly, flutter, bus, drive, fish
[A]: fish


[Q]: duplex, studio, flat, paved, squashed
[A]: paved


[Q]: melancholy, emotional supports, forward, down, loveful
[A]:
forward