context: A boy jumps on the beach.
hypothesis: It is impossible that a boy collapses on top of the sand castle he just built.
valid_hypothesis: It is impossible that a boy collapses on top of the sand castle he just built.
invalid_hypothesis: There is a very good chance that a boy collapses on top of the sand castle he just built.
hypothesis_assertion: A boy collapses on top of the sand castle he just built.