context: It is highly unlikely that Julius is yellow. It is certain that Sandra got the football. It is improbable that Greg is a swan.
hypothesis: It is improbable that either Julius is yellow, or Greg is a swan.
valid_hypothesis: It is improbable that either Julius is yellow, or Greg is a swan.
invalid_hypothesis: It is almost certain that either Julius is yellow, or Greg is a swan.
hypothesis_assertion: Either Julius is yellow, or Greg is a swan.