context: There is a very good chance that Mary grabbed the apple. There is a better than even chance that John left the milk. It is probably the case that Fred went to the garden.
hypothesis: It is highly likely that mary grabbed the apple, or John left the milk.
valid_hypothesis: It is highly likely that mary grabbed the apple, or John left the milk.
invalid_hypothesis: It is impossible that mary grabbed the apple, or John left the milk.
hypothesis_assertion: Mary grabbed the apple, or John left the milk.