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: truss rod, emotional supports, emotional upsets, emotionalities, fret

SOLUTION: truss rod

PROBLEM: davit, hoist, crane, sandpiper, davit

SOLUTION: davit

PROBLEM: group, blt, french toast, hamburger, club

SOLUTION:
group