context: It is certain that John went to the garden. Chances are about even that Bernhard is yellow. It is probably not the case that Emily is a mouse. It is highly unlikely that if Emily is a mouse, and John went to the garden, then Yann is tired. There is almost no chance that if Emily is a mouse, or Bernhard is yellow, then Mary got the milk. It is unlikely that if either Emily is a mouse, or Bernhard is yellow, then Brian is a frog.
hypothesis: Chances are about even that bernhard is yellow, or Brian is a frog.
valid_hypothesis: Chances are about even that bernhard is yellow, or Brian is a frog.
invalid_hypothesis: It is almost certain that bernhard is yellow, or Brian is a frog.
hypothesis_assertion: Bernhard is yellow, or Brian is a frog.