context: We believe that Mary left the football. Chances are slight that Greg is a lion. It is probably the case that Jessica is a cat.
hypothesis: We believe that mary left the football, or Greg is a lion.
valid_hypothesis: We believe that mary left the football, or Greg is a lion.
invalid_hypothesis: Chances are slight that mary left the football, or Greg is a lion.
hypothesis_assertion: Mary left the football, or Greg is a lion.