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: consumer product 
Words: joyful, program, activity, food, content

SOLUTION: joyful

PROBLEM: Category: poker 
Words: chips, punch, deck, draw, queen

SOLUTION: punch

PROBLEM: Category: weather 
Words: windy, fair, cold, trustworthy, sunny

SOLUTION:
trustworthy