context: There is little chance that Jessica is a cat. It is certain that Greg is a frog. It is probably the case that Mary is in the hallway.
hypothesis: It is impossible that mary is in the hallway, and Greg is a frog.
valid_hypothesis: It is probably the case that mary is in the hallway, and Greg is a frog.
invalid_hypothesis: It is impossible that mary is in the hallway, and Greg is a frog.
hypothesis_assertion: Mary is in the hallway, and Greg is a frog.