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: stingray, row, raft, hunting, fish

SOLUTION: stingray

PROBLEM: blue, wave, current, timely, drink

SOLUTION: timely

PROBLEM: fish, raft, horse, bat, cat

SOLUTION:
raft