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: frame, lead, dish, handle, glass

SOLUTION: dish

PROBLEM: rudder, ring, tko, deck, apron

SOLUTION:
rudder