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: employment activity
Words: recruit, replace, sack, heat, fire

SOLUTION: heat

PROBLEM: Category: type of sandwich
Words: picnic, open-faced, club, grilled cheese, lettuce

SOLUTION: picnic

PROBLEM: Category: shady activities
Words: pudding, fudge, banned, mangle, unwarranted

SOLUTION:
pudding