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: poker 
Words: punch, pack, deck, check, fold
answer:
punch


question:
Category: employment activity 
Words: replace, ice, fire, ban, hire
answer:
ice


question:
Category: animal 
Words: cat, hike, dog, fish, sea turtle
answer:

hike