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:
fire, blaze, water, flame, recruit
answer:
recruit


question:
file, keys, document, fax, ram
answer:
fax


question:
tiger, fish, shark, whale, hunt
answer:

hunt