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: moral characteristic 
Words: frank, concise, bun, matter of fact, fortitude
answer:
bun


question:
Category: direction 
Words: down, right, below, ground, emotionalities
answer:
emotionalities


question:
Category: measurement unit 
Words: foot, centimeter, hand, kilometer, yard
answer:

hand