context: Chances are about even that Jeff went to the garden. Chances are slight that Emily is a cat. It is likely that Greg is gray.
hypothesis: It is probably not the case that greg is gray, or Jeff went to the garden.
valid_hypothesis: There is a very good chance that greg is gray, or Jeff went to the garden.
invalid_hypothesis: It is probably not the case that greg is gray, or Jeff went to the garden.
hypothesis_assertion: Greg is gray, or Jeff went to the garden.