context: Chances are about even that Mary went to the kitchen. There is almost no chance that Bernhard is a rhino. It is probably the case that Sandra left the apple. There is almost no chance that if Sandra left the apple, or Bernhard is a rhino, then Greg is a swan. It is almost certain that if Mary went to the kitchen, and Sandra left the apple, then Julius is yellow. There is little chance that if either Bernhard is a rhino, or Sandra left the apple, then Lily is gray.
hypothesis: There is almost no chance that sandra left the apple, and Bernhard is a rhino.
valid_hypothesis: There is almost no chance that sandra left the apple, and Bernhard is a rhino.
invalid_hypothesis: It is certain that sandra left the apple, and Bernhard is a rhino.
hypothesis_assertion: Sandra left the apple, and Bernhard is a rhino.