context: It is highly likely that Sandra put down the milk. We believe that Mary went to the office. There is almost no chance that Gertrude is a mouse. We believe that if either Gertrude is a mouse, or Mary went to the office, then Julius is a rhino. We believe that if Sandra put down the milk, or Gertrude is a mouse, then Brian is a frog. We believe that if Mary went to the office, and Gertrude is a mouse, then Lily is a lion.
hypothesis: It is impossible that gertrude is a mouse, and Julius is a rhino.
valid_hypothesis: It is impossible that gertrude is a mouse, and Julius is a rhino.
invalid_hypothesis: We believe that gertrude is a mouse, and Julius is a rhino.
hypothesis_assertion: Gertrude is a mouse, and Julius is a rhino.