context: Chances are about even that Bernhard is yellow. There is almost no chance that Mary went to the garden. Chances are about even that Brian is a frog.
hypothesis: It is highly unlikely that either Mary went to the garden, or Brian is a frog.
valid_hypothesis: Chances are about even that either Mary went to the garden, or Brian is a frog.
invalid_hypothesis: It is highly unlikely that either Mary went to the garden, or Brian is a frog.
hypothesis_assertion: Either Mary went to the garden, or Brian is a frog.