context: Chances are slight that Jessica is a mouse. Chances are slight that John discarded the milk. There is a better than even chance that Mary got the football. It is certain that if Mary got the football, and John discarded the milk, then Greg is a lion. Chances are about even that if John discarded the milk, or Jessica is a mouse, then Julius is a swan. Chances are slight that if Mary got the football, and John discarded the milk, then Brian is white.
hypothesis: There is a better than even chance that jessica is a mouse, or Mary got the football.
valid_hypothesis: There is a better than even chance that jessica is a mouse, or Mary got the football.
invalid_hypothesis: It is improbable that jessica is a mouse, or Mary got the football.
hypothesis_assertion: Jessica is a mouse, or Mary got the football.