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:
doorstep, community, open-faced, club, hoagie
answer:
community


question:
firm, tough, solid, hard, streamline
answer:
streamline


question:
downward, down, ashamed, ground, falling
answer:

ashamed