context: It is highly likely that Sandra got the football. It is highly likely that Lily is a rhino. It is almost certain that John picked up the milk.
hypothesis: There is a very good chance that sandra got the football, and Lily is a rhino.
valid_hypothesis: There is a very good chance that sandra got the football, and Lily is a rhino.
invalid_hypothesis: It is improbable that sandra got the football, and Lily is a rhino.
hypothesis_assertion: Sandra got the football, and Lily is a rhino.