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: bird 
Words: winch, swallow, winch, crane, parrot
answer:
winch


question:
Category: activity 
Words: dally, goodbye, fritter, whittle, dumpling
answer:
dumpling


question:
Category: food 
Words: wienerwurst, frank, bold, vittles, provision
answer:

bold