context: There is little chance that Greg is a frog. There is a very good chance that Julius is yellow. We doubt that Brian is green.
hypothesis: There is a very good chance that greg is a frog, and Brian is green.
valid_hypothesis: There is almost no chance that greg is a frog, and Brian is green.
invalid_hypothesis: There is a very good chance that greg is a frog, and Brian is green.
hypothesis_assertion: Greg is a frog, and Brian is green.