context: It is almost certain that Fred is in the park. There is almost no chance that Mary went to the kitchen. We believe that Winona is a cat.
hypothesis: There is little chance that winona is a cat, and Fred is in the park.
valid_hypothesis: It is probably the case that winona is a cat, and Fred is in the park.
invalid_hypothesis: There is little chance that winona is a cat, and Fred is in the park.
hypothesis_assertion: Winona is a cat, and Fred is in the park.