context: Chances are about even that Lily is a rhino. Chances are slight that Greg is a frog. It is probable that John went to the garden.
hypothesis: We believe that greg is a frog, or John went to the garden.
valid_hypothesis: We believe that greg is a frog, or John went to the garden.
invalid_hypothesis: Chances are slight that greg is a frog, or John went to the garden.
hypothesis_assertion: Greg is a frog, or John went to the garden.