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: flamingo, crane, neck, ostrich, davit
answer:
davit


question:
Category: direction 
Words: up, down, sliding, shameful, right
answer:
shameful


question:
Category: body part 
Words: foot, milimeter, shin, ear, knee
answer:

milimeter