context: There is a very good chance that Mary moved to the garden. It is certain that Brian is a frog. Chances are slight that John left the football.
hypothesis: There is a very good chance that mary moved to the garden, and John left the football.
valid_hypothesis: Chances are slight that mary moved to the garden, and John left the football.
invalid_hypothesis: There is a very good chance that mary moved to the garden, and John left the football.
hypothesis_assertion: Mary moved to the garden, and John left the football.