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: current, wave, whirlpool, sea, data sets

SOLUTION: data sets

PROBLEM: sergeant, general, standard, plain, ordinary

SOLUTION: sergeant

PROBLEM: entree, brash, concise, fortitude, frank

SOLUTION:
entree