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: content, panicked, file, substance, jewelry

SOLUTION: panicked

PROBLEM: Category: aesthetic characteristic 
Words: loyal, medium, ghostly, tone, fair

SOLUTION: loyal

PROBLEM: Category: boxing terminology 
Words: rudder, box, deck, corner, punch

SOLUTION:
rudder