context: It is probably the case that John discarded the milk. We doubt that Greg is a rhino. It is impossible that Bernhard is white. We doubt that if Greg is a rhino, and John discarded the milk, then Yann got the milk there. It is likely that if Greg is a rhino, or John discarded the milk, then Bill went to the garden. We doubt that if Greg is a rhino, and John discarded the milk, then Sandra left the football.
hypothesis: We doubt that john discarded the milk, or Bill went to the garden.
valid_hypothesis: We believe that john discarded the milk, or Bill went to the garden.
invalid_hypothesis: We doubt that john discarded the milk, or Bill went to the garden.
hypothesis_assertion: John discarded the milk, or Bill went to the garden.