context: Chances are slight that Julie is in the office. It is likely that Sandra left the milk. There is little chance that John took the apple. It is highly likely that if John took the apple, and Julie is in the office, then Bernhard is a frog. It is probably not the case that if either John took the apple, or Julie is in the office, then Lily is a lion. There is almost no chance that if either John took the apple, or Sandra left the milk, then Mary went to the bedroom.
hypothesis: It is impossible that lily is a lion, and Bernhard is a frog.
valid_hypothesis: It is impossible that lily is a lion, and Bernhard is a frog.
invalid_hypothesis: It is almost certain that lily is a lion, and Bernhard is a frog.
hypothesis_assertion: Lily is a lion, and Bernhard is a frog.