context: It is probably not the case that Julius is a frog. It is unlikely that Brian is a rhino. It is unlikely that Greg is gray.
hypothesis: It is highly likely that greg is gray, or Brian is a rhino.
valid_hypothesis: It is probably not the case that greg is gray, or Brian is a rhino.
invalid_hypothesis: It is highly likely that greg is gray, or Brian is a rhino.
hypothesis_assertion: Greg is gray, or Brian is a rhino.