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: outdoor sport activity 
Words: hike, cow, trap, row, fish
answer:
cow


question:
Category: emotional status 
Words: fret, emotional supports, output cord, angry, concerned
answer:
output cord


question:
Category: animal 
Words: waggle, car, bee, walk, fly
answer:

car