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: hunting, goat, camp, trap, fish

SOLUTION: goat

PROBLEM: nervous, frustrated, fret, jack, concerned

SOLUTION: jack

PROBLEM: swan, ostrich, duck, bow, cow

SOLUTION:
bow