context: There is a better than even chance that Brian is a frog. We doubt that Mary is in the hallway. It is improbable that Lily is a lion.
hypothesis: There is almost no chance that mary is in the hallway, and Lily is a lion.
valid_hypothesis: There is almost no chance that mary is in the hallway, and Lily is a lion.
invalid_hypothesis: It is probable that mary is in the hallway, and Lily is a lion.
hypothesis_assertion: Mary is in the hallway, and Lily is a lion.