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: dally, waste away, fried, whittle, fritter

SOLUTION: fried

PROBLEM: fly, swim, waggle, soar, wave

SOLUTION: waggle

PROBLEM: common, rigged, rough, firm, inflexible

SOLUTION:
common