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: boxing terminology 
Words: ring, lifeline, deck, punch, corner
answer:
lifeline


question:
Category: animal 
Words: cockroach, leap, drive, swim, fly
answer:
drive


question:
Category: consumer product 
Words: shop, program, angry, content, tools
answer:

angry