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: level, flat, apartment, squashed, lined

SOLUTION: lined

PROBLEM: calm, detached, relaxed, fine, flyaway

SOLUTION:
flyaway