context: It is probably the case that Greg is a rhino. There is a very good chance that Lily is a frog. It is certain that Mary moved to the garden. There is a very good chance that if either Lily is a frog, or Mary moved to the garden, then Julius is gray. It is improbable that if Mary moved to the garden, or Lily is a frog, then Brian is yellow. There is a very good chance that if Lily is a frog, and Mary moved to the garden, then Sandra got the milk.
hypothesis: There is a very good chance that mary moved to the garden, and Lily is a frog.
valid_hypothesis: There is a very good chance that mary moved to the garden, and Lily is a frog.
invalid_hypothesis: It is unlikely that mary moved to the garden, and Lily is a frog.
hypothesis_assertion: Mary moved to the garden, and Lily is a frog.