context: It is probably the case that John went to the garden. There is a very good chance that Sumit is hungry. It is highly unlikely that Greg is a swan.
hypothesis: It is highly unlikely that greg is a swan, and Sumit is hungry.
valid_hypothesis: It is highly unlikely that greg is a swan, and Sumit is hungry.
invalid_hypothesis: Chances are about even that greg is a swan, and Sumit is hungry.
hypothesis_assertion: Greg is a swan, and Sumit is hungry.