context: There is little chance that Sandra is in the garden. There is a better than even chance that Brian is a rhino. It is almost certain that Greg is a frog.
hypothesis: It is impossible that either Sandra is in the garden, or Brian is a rhino.
valid_hypothesis: There is a better than even chance that either Sandra is in the garden, or Brian is a rhino.
invalid_hypothesis: It is impossible that either Sandra is in the garden, or Brian is a rhino.
hypothesis_assertion: Either Sandra is in the garden, or Brian is a rhino.