context: It is highly unlikely that Mary dropped the milk. It is probably the case that Daniel grabbed the apple. It is highly likely that John left the milk. It is improbable that if either Mary dropped the milk, or John left the milk, then Brian is a rhino. We believe that if Daniel grabbed the apple, and John left the milk, then Greg is a lion. It is probably not the case that if Daniel grabbed the apple, or John left the milk, then Julius is white.
hypothesis: It is probably the case that mary dropped the milk, and Daniel grabbed the apple.
valid_hypothesis: It is highly unlikely that mary dropped the milk, and Daniel grabbed the apple.
invalid_hypothesis: It is probably the case that mary dropped the milk, and Daniel grabbed the apple.
hypothesis_assertion: Mary dropped the milk, and Daniel grabbed the apple.