TASK DEFINITION: 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.
PROBLEM: Category: outdoor sport activity 
Words: hunting, goat, wrestle, fish, raft

SOLUTION: goat

PROBLEM: Category: computers 
Words: ram, file, prepare, keys, format

SOLUTION: prepare

PROBLEM: Category: emotional status 
Words: content, service, jealous, excited, fearful

SOLUTION:
service