context: It is impossible that Sandra left the apple. There is little chance that Julius is a lion. There is a better than even chance that Mary is in the hallway.
hypothesis: It is probably the case that sandra left the apple, and Julius is a lion.
valid_hypothesis: It is impossible that sandra left the apple, and Julius is a lion.
invalid_hypothesis: It is probably the case that sandra left the apple, and Julius is a lion.
hypothesis_assertion: Sandra left the apple, and Julius is a lion.