context: It is improbable that John went to the garden. It is probable that Julius is a rhino. It is probably the case that Lily is a frog.
hypothesis: It is highly unlikely that lily is a frog, and Julius is a rhino.
valid_hypothesis: Chances are about even that lily is a frog, and Julius is a rhino.
invalid_hypothesis: It is highly unlikely that lily is a frog, and Julius is a rhino.
hypothesis_assertion: Lily is a frog, and Julius is a rhino.