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: dumpling, fritter, goodbye, pastry, skin

SOLUTION: goodbye

PROBLEM: dally, waste away, fried, whittle, fritter

SOLUTION: fried

PROBLEM: corporation, common, amalgamated, firm, tough

SOLUTION:
tough