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.

[EX Q]: windlass, hummingbird, neck, crane, duck
[EX A]: windlass

[EX Q]: frame, lead, dish, handle, glass
[EX A]: dish

[EX Q]: heavy, heavy, calcium, fat, salt
[EX A]:
heavy