context: It is unlikely that Mary put down the apple. It is highly unlikely that Bill discarded the milk. It is highly unlikely that Daniel left the football.
hypothesis: There is a very good chance that either Bill discarded the milk, or Daniel left the football.
valid_hypothesis: It is improbable that either Bill discarded the milk, or Daniel left the football.
invalid_hypothesis: There is a very good chance that either Bill discarded the milk, or Daniel left the football.
hypothesis_assertion: Either Bill discarded the milk, or Daniel left the football.