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: secretary duty 
Words: order office supplies, sort mail, file, program, type
answer:
program


question:
Category: activity 
Words: fried, spend, whittle, waste, fritter
answer:
fried


question:
Category: employment activity 
Words: ban, empower, water, fire, hire
answer:

water