TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: color, medium, fair, warm, size

SOLUTION: warm

PROBLEM: roll, french toast, club, dagwood, cinema

SOLUTION: cinema

PROBLEM: firm, private, solid, tough, stiff

SOLUTION:
private