context: There is a very good chance that Julius is a lion. It is certain that Mary went to the hallway. We doubt that Emily is a sheep.
hypothesis: It is certain that mary went to the hallway, or Julius is a lion.
valid_hypothesis: It is certain that mary went to the hallway, or Julius is a lion.
invalid_hypothesis: It is impossible that mary went to the hallway, or Julius is a lion.
hypothesis_assertion: Mary went to the hallway, or Julius is a lion.