context: It is impossible that John dropped the apple. There is a better than even chance that Julius is a lion. It is improbable that Sandra left the football.
hypothesis: It is probable that sandra left the football, and Julius is a lion.
valid_hypothesis: It is highly unlikely that sandra left the football, and Julius is a lion.
invalid_hypothesis: It is probable that sandra left the football, and Julius is a lion.
hypothesis_assertion: Sandra left the football, and Julius is a lion.