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: physical activity 
Words: tumble, summer, fall, bend, lift
answer:
summer


question:
Category: employment activity 
Words: promote, ice, retire, ban, fire
answer:
ice


question:
Category: emotional status 
Words: alert, fine, relaxed, pretty, mad
answer:

pretty