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: aesthetic characteristic 
Words: 70, pale, fair, light, milky
answer:
70


question:
Category: widespread 
Words: commander, popular, general, common, basic
answer:

commander