context: There is a very good chance that Lily is a swan. There is a very good chance that Bernhard is a frog. It is highly likely that Jessica is a sheep. It is almost certain that if Lily is a swan, and Bernhard is a frog, then John left the football. It is certain that if Bernhard is a frog, or Jessica is a sheep, then Mary moved to the garden. It is probably not the case that if Jessica is a sheep, or Bernhard is a frog, then Brian is a rhino.
hypothesis: There is a better than even chance that john left the football, and Bernhard is a frog.
valid_hypothesis: There is a better than even chance that john left the football, and Bernhard is a frog.
invalid_hypothesis: It is impossible that john left the football, and Bernhard is a frog.
hypothesis_assertion: John left the football, and Bernhard is a frog.