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: shady activities 
Words: unwarranted, mangle, cream, loosen, fudge

SOLUTION: cream

PROBLEM: Category: weather 
Words: brisk, fair, sunny, cold, balanced

SOLUTION: balanced

PROBLEM: Category: boats 
Words: knockout, rudder, head, deck, stern

SOLUTION:
knockout