context: There is almost no chance that Bernhard is a frog. There is little chance that Yann is tired. Chances are about even that Winona is a wolf. It is certain that if Bernhard is a frog, or Yann is tired, then Sandra left the football. It is improbable that if Bernhard is a frog, or Yann is tired, then Mary went to the hallway. It is highly likely that if Winona is a wolf, or Bernhard is a frog, then Brian is green.
hypothesis: There is almost no chance that brian is green, and Bernhard is a frog.
valid_hypothesis: There is almost no chance that brian is green, and Bernhard is a frog.
invalid_hypothesis: Chances are about even that brian is green, and Bernhard is a frog.
hypothesis_assertion: Brian is green, and Bernhard is a frog.