context: There is little chance that Bill went to the kitchen. It is impossible that Julius is a swan. It is unlikely that Bernhard is a frog. It is highly unlikely that if Julius is a swan, or Bill went to the kitchen, then Winona is a sheep. There is a better than even chance that if Julius is a swan, or Bernhard is a frog, then Greg is a rhino. It is impossible that if Bernhard is a frog, or Julius is a swan, then Daniel left the football.
hypothesis: It is impossible that greg is a rhino, and Winona is a sheep.
valid_hypothesis: It is impossible that greg is a rhino, and Winona is a sheep.
invalid_hypothesis: It is probable that greg is a rhino, and Winona is a sheep.
hypothesis_assertion: Greg is a rhino, and Winona is a sheep.