context: There is almost no chance that Sandra took the football. Chances are about even that Jessica is a mouse. We believe that Julius is white.
hypothesis: It is impossible that jessica is a mouse, or Julius is white.
valid_hypothesis: It is highly likely that jessica is a mouse, or Julius is white.
invalid_hypothesis: It is impossible that jessica is a mouse, or Julius is white.
hypothesis_assertion: Jessica is a mouse, or Julius is white.