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: cold, deal, make the grade, unprejudiced, fair

SOLUTION: unprejudiced

PROBLEM: pale, windy, fair, flaxen, light

SOLUTION: windy

PROBLEM: duck, hike, bend, pig, fall

SOLUTION:
pig