context: There is a better than even chance that Julius is a rhino. Chances are about even that Julie is in the office. We believe that Mary went to the hallway.
hypothesis: There is little chance that mary went to the hallway, or Julie is in the office.
valid_hypothesis: It is highly likely that mary went to the hallway, or Julie is in the office.
invalid_hypothesis: There is little chance that mary went to the hallway, or Julie is in the office.
hypothesis_assertion: Mary went to the hallway, or Julie is in the office.