context: We believe that Fred put down the apple. We doubt that Lily is a frog. It is improbable that Julius is a rhino.
hypothesis: It is likely that either Lily is a frog, or Fred put down the apple.
valid_hypothesis: It is likely that either Lily is a frog, or Fred put down the apple.
invalid_hypothesis: It is improbable that either Lily is a frog, or Fred put down the apple.
hypothesis_assertion: Either Lily is a frog, or Fred put down the apple.