context: There is little chance that Brian is a lion. It is impossible that John moved to the garden. It is likely that Sandra left the football. There is little chance that if John moved to the garden, and Brian is a lion, then Greg is a rhino. It is highly unlikely that if Brian is a lion, or Sandra left the football, then Yann got the milk there. We believe that if either Sandra left the football, or John moved to the garden, then Julius is green.
hypothesis: There is a better than even chance that yann got the milk there, and Greg is a rhino.
valid_hypothesis: It is impossible that yann got the milk there, and Greg is a rhino.
invalid_hypothesis: There is a better than even chance that yann got the milk there, and Greg is a rhino.
hypothesis_assertion: Yann got the milk there, and Greg is a rhino.