context: We believe that Jessica is a sheep. It is probably the case that John got the football. It is highly likely that Bill discarded the milk.
hypothesis: There is little chance that bill discarded the milk, and John got the football.
valid_hypothesis: There is a better than even chance that bill discarded the milk, and John got the football.
invalid_hypothesis: There is little chance that bill discarded the milk, and John got the football.
hypothesis_assertion: Bill discarded the milk, and John got the football.