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: color, medium, fair, warm, size

SOLUTION: warm

PROBLEM: frame, lead, dish, handle, glass

SOLUTION: dish

PROBLEM: bus, fly, flutter, swim, ant

SOLUTION:
ant