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: balanced, well, milky, size, fair

SOLUTION: balanced

PROBLEM: fish, stingray, climbing, trap, hiking

SOLUTION: stingray

PROBLEM: closer, finished for the day, close, running., not open

SOLUTION:
closer