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: animal 
Words: fly, dangle, bee, jump, flap
answer:
flap


question:
Category: mode of transportation 
Words: bee, swim, fly, car, walk
answer:
bee


question:
Category: direction 
Words: flat, down, melancholy, south, ground
answer:

melancholy