context: It is impossible that John got the apple. Chances are slight that Julius is yellow. There is almost no chance that Jessica is a mouse. Chances are slight that if Jessica is a mouse, or John got the apple, then Brian is a frog. There is almost no chance that if John got the apple, or Jessica is a mouse, then Lily is a frog. There is a very good chance that if Julius is yellow, and Jessica is a mouse, then Mary left the football.
hypothesis: It is highly likely that mary left the football, and Jessica is a mouse.
valid_hypothesis: It is impossible that mary left the football, and Jessica is a mouse.
invalid_hypothesis: It is highly likely that mary left the football, and Jessica is a mouse.
hypothesis_assertion: Mary left the football, and Jessica is a mouse.