context: There is little chance that Bernhard is white. It is impossible that Gertrude is a sheep. There is little chance that John moved to the office.
hypothesis: It is probable that gertrude is a sheep, and Bernhard is white.
valid_hypothesis: It is impossible that gertrude is a sheep, and Bernhard is white.
invalid_hypothesis: It is probable that gertrude is a sheep, and Bernhard is white.
hypothesis_assertion: Gertrude is a sheep, and Bernhard is white.