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: milky, fair, well, alright, impartial

SOLUTION: milky

PROBLEM: centimeter, yard, foot, milimeter, head

SOLUTION: head

PROBLEM: tonic, canasta, brandy, tequila, gin

SOLUTION:
canasta