context: It is certain that Mary went to the hallway. It is almost certain that Julius is a swan. There is a better than even chance that Greg is a rhino. It is highly likely that if either Julius is a swan, or Mary went to the hallway, then John got the apple. There is almost no chance that if Greg is a rhino, or Mary went to the hallway, then Sandra put down the milk. There is little chance that if either Mary went to the hallway, or Greg is a rhino, then Bernhard is a swan.
hypothesis: There is a better than even chance that either Greg is a rhino, or Bernhard is a swan.
valid_hypothesis: There is a better than even chance that either Greg is a rhino, or Bernhard is a swan.
invalid_hypothesis: There is almost no chance that either Greg is a rhino, or Bernhard is a swan.
hypothesis_assertion: Either Greg is a rhino, or Bernhard is a swan.