context: It is improbable that Sandra left the milk. It is certain that Bernhard is a frog. It is highly unlikely that Lily is green. We doubt that if either Sandra left the milk, or Lily is green, then John took the apple. We doubt that if either Bernhard is a frog, or Sandra left the milk, then Greg is a lion. It is likely that if Bernhard is a frog, and Lily is green, then Mary dropped the milk.
hypothesis: It is highly unlikely that john took the apple, or Mary dropped the milk.
valid_hypothesis: It is highly unlikely that john took the apple, or Mary dropped the milk.
invalid_hypothesis: It is likely that john took the apple, or Mary dropped the milk.
hypothesis_assertion: John took the apple, or Mary dropped the milk.