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.
--------
Question: current, history, wave, jetstream, whirlpool

Answer: history


Question: goodies, weenie, blunt, wiener, frank

Answer: blunt


Question: fat, bulky, calories, iron, sugars

Answer:
bulky