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:
ostrich, hoist, egret, crane, parrot
answer:
hoist


question:
streamline, sustainability, private, firm, stiff
answer:
stiff


question:
errands, software, fax, file, correspondence
answer:

software