context: It is impossible that Mary moved to the office. It is certain that Greg is green. It is probably the case that Daniel left the milk. It is improbable that if Mary moved to the office, and Greg is green, then Julius is a lion. It is likely that if Greg is green, or Daniel left the milk, then John discarded the milk. There is a very good chance that if Daniel left the milk, and Mary moved to the office, then Brian is a swan.
hypothesis: It is impossible that julius is a lion, and Brian is a swan.
valid_hypothesis: It is impossible that julius is a lion, and Brian is a swan.
invalid_hypothesis: We believe that julius is a lion, and Brian is a swan.
hypothesis_assertion: Julius is a lion, and Brian is a swan.