context: We believe that John took the milk. It is likely that Gertrude is a wolf. It is certain that Sandra left the apple.
hypothesis: We believe that john took the milk, and Sandra left the apple.
valid_hypothesis: We believe that john took the milk, and Sandra left the apple.
invalid_hypothesis: Chances are slight that john took the milk, and Sandra left the apple.
hypothesis_assertion: John took the milk, and Sandra left the apple.