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: chunky, heavy, fat, area, sugar

A: sugar
****
Q: format, sort mail, make coffee, order office supplies, file

A: format
****
Q: paved, studio, flat, plain, cabin

A:
plain
****