context: We doubt that Bernhard is a swan. It is certain that Daniel put down the milk. There is little chance that Brian is a frog.
hypothesis: It is almost certain that brian is a frog, and Bernhard is a swan.
valid_hypothesis: There is almost no chance that brian is a frog, and Bernhard is a swan.
invalid_hypothesis: It is almost certain that brian is a frog, and Bernhard is a swan.
hypothesis_assertion: Brian is a frog, and Bernhard is a swan.