context: There is little chance that Bernhard is green. It is impossible that Greg is a rhino. We believe that Sandra is in the hallway.
hypothesis: We believe that either Greg is a rhino, or Sandra is in the hallway.
valid_hypothesis: We believe that either Greg is a rhino, or Sandra is in the hallway.
invalid_hypothesis: There is little chance that either Greg is a rhino, or Sandra is in the hallway.
hypothesis_assertion: Either Greg is a rhino, or Sandra is in the hallway.