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: animal 
Words: soar, cockroach, walk, fly, run
answer:
soar


question:
Category: consumer product 
Words: content, books, thing, program, jealous
answer:
jealous


question:
Category: consumer product 
Words: jewelry, fearful, merchandise, content, thing
answer:

fearful