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: climbing, cow, hiking, fish, wrestle

SOLUTION: cow

PROBLEM: crying, concerned, pick, emotionalities, fret

SOLUTION: pick

PROBLEM: tequila, bourbon, beer, gin, uno

SOLUTION:
uno