instruction:
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.
question:
swallow, heron, crane, flamingo, tackle
answer:
tackle


question:
sugars, fat, protein, skinny, iron
answer:
skinny


question:
space, file, answer calls, fax, support
answer:

space