context: It is almost certain that Sandra left the milk. There is little chance that Greg is yellow. It is probably the case that Fred moved to the cinema.
hypothesis: It is impossible that sandra left the milk, or Fred moved to the cinema.
valid_hypothesis: It is certain that sandra left the milk, or Fred moved to the cinema.
invalid_hypothesis: It is impossible that sandra left the milk, or Fred moved to the cinema.
hypothesis_assertion: Sandra left the milk, or Fred moved to the cinema.