instruction:
Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
question:
Category: ocean 
Words: signal, timely, brine, flow, current
answer:
timely


question:
Category: outdoor sport activity 
Words: hike, cow, trap, row, fish
answer:
cow


question:
Category: type of sandwich 
Words: bacon, community, club, hero, lettuce
answer:

community