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: fawn, love, calf, flatter, identity

A: calf
****
Q: fly, fish, flap, bike, glide

A: fish
****
Q: soar, bus, spider, fly, flutter

A:
spider
****