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: dump truck, hoist, crane, ostrich, goose

SOLUTION: dump truck

PROBLEM: concerned, bored, emotional, fret, output cord

SOLUTION: output cord

PROBLEM: hamburger, club, community, roll, grilled cheese

SOLUTION:
community