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: food 
Words: provision, frank, hot dog, goodies, harsh
answer:
harsh


question:
Category: bird 
Words: davit, egret, heron, crane, swift
answer:
davit


question:
Category: animal 
Words: fly, walk, spider, eagle, bus
answer:

bus