context: There is a better than even chance that Winona is a mouse. There is a very good chance that Bernhard is a frog. It is probably the case that Julius is a lion. Chances are slight that if Winona is a mouse, or Bernhard is a frog, then Brian is green. There is little chance that if either Bernhard is a frog, or Winona is a mouse, then Greg is gray. Chances are slight that if either Winona is a mouse, or Julius is a lion, then Mary grabbed the milk.
hypothesis: There is a very good chance that bernhard is a frog, or Brian is green.
valid_hypothesis: There is a very good chance that bernhard is a frog, or Brian is green.
invalid_hypothesis: It is highly unlikely that bernhard is a frog, or Brian is green.
hypothesis_assertion: Bernhard is a frog, or Brian is green.