context: Chances are slight that Julius is a swan. It is improbable that Daniel got the football. It is probably the case that Lily is yellow.
hypothesis: It is certain that julius is a swan, and Daniel got the football.
valid_hypothesis: There is almost no chance that julius is a swan, and Daniel got the football.
invalid_hypothesis: It is certain that julius is a swan, and Daniel got the football.
hypothesis_assertion: Julius is a swan, and Daniel got the football.