context: It is probable that Brian is a swan. There is almost no chance that John got the apple. It is highly likely that Julius is yellow. It is likely that if Julius is yellow, and John got the apple, then Sandra left the milk. We believe that if John got the apple, or Brian is a swan, then Bernhard is green. It is probable that if John got the apple, and Brian is a swan, then Mary moved to the garden.
hypothesis: We believe that mary moved to the garden, and John got the apple.
valid_hypothesis: It is impossible that mary moved to the garden, and John got the apple.
invalid_hypothesis: We believe that mary moved to the garden, and John got the apple.
hypothesis_assertion: Mary moved to the garden, and John got the apple.