context: It is likely that Emily is a wolf. It is probable that Bernhard is a frog. Chances are slight that Mary moved to the office. Chances are slight that if either Bernhard is a frog, or Emily is a wolf, then Brian is yellow. It is probable that if either Bernhard is a frog, or Emily is a wolf, then John grabbed the milk. There is almost no chance that if Emily is a wolf, and Bernhard is a frog, then Julius is a frog.
hypothesis: We believe that brian is yellow, and John grabbed the milk.
valid_hypothesis: There is almost no chance that brian is yellow, and John grabbed the milk.
invalid_hypothesis: We believe that brian is yellow, and John grabbed the milk.
hypothesis_assertion: Brian is yellow, and John grabbed the milk.