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: physical activity 
Words: dog, push, duck, squat, jog

SOLUTION: dog

PROBLEM: Category: poker 
Words: fold, deck, board, call, knockout

SOLUTION: knockout

PROBLEM: Category: weather 
Words: warm, fair, brisk, luke, fine

SOLUTION:
fine