context: Chances are slight that Greg is a lion. It is impossible that Mary is in the hallway. There is a better than even chance that Brian is a frog.
hypothesis: There is little chance that brian is a frog, or Mary is in the hallway.
valid_hypothesis: There is a better than even chance that brian is a frog, or Mary is in the hallway.
invalid_hypothesis: There is little chance that brian is a frog, or Mary is in the hallway.
hypothesis_assertion: Brian is a frog, or Mary is in the hallway.