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: impartial, pale, fair, dishonest, well

A: pale
****
Q: pounce, car, bats, fly, grasshopper

A: car
****
Q: optimist, cool, level, warm, relaxed

A:
warm
****