context: It is improbable that John went to the garden. It is almost certain that Julius is a rhino. It is highly likely that Brian is a lion. There is a very good chance that if either Brian is a lion, or John went to the garden, then Mary dropped the apple. There is a very good chance that if Brian is a lion, and John went to the garden, then Greg is a swan. It is unlikely that if John went to the garden, or Brian is a lion, then Emily is a wolf.
hypothesis: It is improbable that brian is a lion, and Julius is a rhino.
valid_hypothesis: It is highly likely that brian is a lion, and Julius is a rhino.
invalid_hypothesis: It is improbable that brian is a lion, and Julius is a rhino.
hypothesis_assertion: Brian is a lion, and Julius is a rhino.