context: It is probably not the case that Mary put down the milk. It is improbable that Brian is a rhino. Chances are slight that Lily is a lion. It is probably not the case that if either Brian is a rhino, or Mary put down the milk, then Sumit is bored. There is almost no chance that if either Brian is a rhino, or Lily is a lion, then Winona is a cat. It is impossible that if Brian is a rhino, or Lily is a lion, then Greg is gray.
hypothesis: It is almost certain that winona is a cat, and Greg is gray.
valid_hypothesis: It is impossible that winona is a cat, and Greg is gray.
invalid_hypothesis: It is almost certain that winona is a cat, and Greg is gray.
hypothesis_assertion: Winona is a cat, and Greg is gray.