context: It is impossible that Lily is a rhino. It is unlikely that Mary went to the office. It is improbable that Greg is a lion.
hypothesis: It is impossible that lily is a rhino, and Mary went to the office.
valid_hypothesis: It is impossible that lily is a rhino, and Mary went to the office.
invalid_hypothesis: There is a very good chance that lily is a rhino, and Mary went to the office.
hypothesis_assertion: Lily is a rhino, and Mary went to the office.