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: fly, fish, flap, bike, glide

SOLUTION: fish

PROBLEM: file, errands, type, folder, order office supplies

SOLUTION: folder

PROBLEM: current, history, late, flow, up to the moment

SOLUTION:
flow