context: It is likely that Mary dropped the milk. It is likely that Lily is a frog. It is probably the case that Winona is a cat. It is certain that if either Mary dropped the milk, or Lily is a frog, then Sandra got the apple. There is almost no chance that if Mary dropped the milk, or Lily is a frog, then Bill went to the office. Chances are slight that if either Mary dropped the milk, or Lily is a frog, then Greg is a rhino.
hypothesis: It is improbable that either Winona is a cat, or Greg is a rhino.
valid_hypothesis: It is likely that either Winona is a cat, or Greg is a rhino.
invalid_hypothesis: It is improbable that either Winona is a cat, or Greg is a rhino.
hypothesis_assertion: Either Winona is a cat, or Greg is a rhino.