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: weather 
Words: luke, equitable, clime, fair, mild

SOLUTION: equitable

PROBLEM: Category: physical activity 
Words: roll, swim, fall, winter, tumble

SOLUTION:
winter