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: fire, hire, heat, inferno, earth

SOLUTION: hire

PROBLEM: emotional supports, shameful, downward, loveful, down

SOLUTION: downward

PROBLEM: davit, crane, steam roller, neck, parrot

SOLUTION:
steam roller