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: personal characteristic 
Words: cool, calm, warm, persistent, level
answer:
warm


question:
Category: guitar part 
Words: truss rod, fret, neck, bored, strap lock
answer:
bored


question:
Category: animal 
Words: cat, horse, shark, fish, canoe
answer:

canoe