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: bike, flap, fly, walk, wave

SOLUTION: walk

PROBLEM: just, make the grade, well, unjust, fair

SOLUTION: make the grade

PROBLEM: cute, calf, identity, culture, fawn

SOLUTION:
calf