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: glass, wood, coating, knifer, woodwork

SOLUTION: knifer

PROBLEM: pick, fret, string, fingerpick, sad

SOLUTION: sad

PROBLEM: invent, fudge, brownie, cookies, tart

SOLUTION:
invent