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: boats 
Words: hull, deck, rudder, check, lifeline
answer:
check


question:
Category: nutritional value 
Words: iron, heavy, vitamin c, fat, brittleness
answer:
brittleness


question:
Category: store status 
Words: gated, near, close, running., slow
answer:

near