context: It is certain that Brian is a lion. There is little chance that Jason is bored. It is certain that Greg is a frog.
hypothesis: It is certain that greg is a frog, or Brian is a lion.
valid_hypothesis: It is certain that greg is a frog, or Brian is a lion.
invalid_hypothesis: It is improbable that greg is a frog, or Brian is a lion.
hypothesis_assertion: Greg is a frog, or Brian is a lion.