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: weather 
Words: cold, luke, fair, mild, light
answer:
light


question:
Category: police punishment 
Words: wispy, fine, probation, calm, prime
answer:
calm


question:
Category: mode of transportation 
Words: flutter, swim, bird, fly, car
answer:

bird