context: There is almost no chance that Mary discarded the apple. There is little chance that Yann got the milk there. It is likely that Bill went to the office. Chances are slight that if Yann got the milk there, or Mary discarded the apple, then Jessica is a sheep. It is improbable that if Mary discarded the apple, and Yann got the milk there, then Greg is a swan. There is a better than even chance that if either Yann got the milk there, or Mary discarded the apple, then Lily is a rhino.
hypothesis: There is a better than even chance that yann got the milk there, and Mary discarded the apple.
valid_hypothesis: It is impossible that yann got the milk there, and Mary discarded the apple.
invalid_hypothesis: There is a better than even chance that yann got the milk there, and Mary discarded the apple.
hypothesis_assertion: Yann got the milk there, and Mary discarded the apple.