premise: One person standing on a road, holding a bicycle up while another bends over to look at something on the back wheel of the bike. hypothesis: A father looks for the nail that is stuck in the bicycle tire of his son's bike.
neutral: The two people do not have to be a father and son, and the bike does not have to be the son's bike. There also does not have to be a nail stuck in the tire for it to need inspecting.