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: flyaway, penalty, prime, fine, comfortable

SOLUTION: comfortable

PROBLEM: duplex, studio, flat, paved, squashed

SOLUTION: paved

PROBLEM: lettuce, bar, dagwood, club, burger

SOLUTION:
bar