context: We believe that Winona is a mouse. It is almost certain that Julius is a lion. It is impossible that John got the apple.
hypothesis: It is certain that winona is a mouse, or Julius is a lion.
valid_hypothesis: It is certain that winona is a mouse, or Julius is a lion.
invalid_hypothesis: We doubt that winona is a mouse, or Julius is a lion.
hypothesis_assertion: Winona is a mouse, or Julius is a lion.