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: condominium, smooshed, lined, smooth, flat

Answer: condominium

Question: dump truck, tackle, crane, duck, mallet

Answer: dump truck

Question: excited, activity, content, item, shop

Answer:
excited