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: physical activity 
Words: bend, jog, get down, duck, pig

SOLUTION: pig

PROBLEM: Category: shady activities 
Words: fudge, tart, lie, smuggled, smear

SOLUTION:
tart