context: It is probably the case that Mary left the football. It is impossible that Julius is a swan. It is probably the case that Lily is green.
hypothesis: It is probable that mary left the football, or Julius is a swan.
valid_hypothesis: It is probable that mary left the football, or Julius is a swan.
invalid_hypothesis: It is highly unlikely that mary left the football, or Julius is a swan.
hypothesis_assertion: Mary left the football, or Julius is a swan.