context: Chances are slight that Jessica is a mouse. We believe that Lily is white. It is probably the case that Julius is yellow.
hypothesis: It is almost certain that lily is white, or Julius is yellow.
valid_hypothesis: It is almost certain that lily is white, or Julius is yellow.
invalid_hypothesis: Chances are about even that lily is white, or Julius is yellow.
hypothesis_assertion: Lily is white, or Julius is yellow.