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: swim, wrestle, fish, canyoning, horse

SOLUTION: horse

PROBLEM: Category: moral characteristic 
Words: honorable, balanced, fair, pale, trustworthy

SOLUTION: pale

PROBLEM: Category: window material 
Words: glass, acrylic, colander, vinyl, panel

SOLUTION:
colander