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:
ring, deck, pack, box, level
answer:
pack


question:
crane, ostrich, davit, dump truck, pelican
answer:
dump truck


question:
mallet, winch, parrot, winch, crane
answer:

winch