context: It is almost certain that Julius is white. It is highly unlikely that Sandra got the football. It is almost certain that Bernhard is gray.
hypothesis: It is highly unlikely that julius is white, and Sandra got the football.
valid_hypothesis: It is highly unlikely that julius is white, and Sandra got the football.
invalid_hypothesis: It is certain that julius is white, and Sandra got the football.
hypothesis_assertion: Julius is white, and Sandra got the football.