context: It is likely that Sandra took the football. It is certain that Lily is a frog. There is little chance that Mary is in the hallway.
hypothesis: There is a better than even chance that mary is in the hallway, and Sandra took the football.
valid_hypothesis: It is highly unlikely that mary is in the hallway, and Sandra took the football.
invalid_hypothesis: There is a better than even chance that mary is in the hallway, and Sandra took the football.
hypothesis_assertion: Mary is in the hallway, and Sandra took the football.