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: pack, hearts, deck, queen, rudder

SOLUTION: rudder

PROBLEM: signal, sea, current, drink, belated

SOLUTION: belated

PROBLEM: emotional state, kind, up, emotional upsets, down

SOLUTION:
up