context: There is little chance that John picked up the milk. It is impossible that Emily is a mouse. It is probably the case that Julius is a frog. It is certain that if either Emily is a mouse, or John picked up the milk, then Bernhard is a swan. Chances are slight that if John picked up the milk, or Emily is a mouse, then Fred moved to the office. There is little chance that if Emily is a mouse, or John picked up the milk, then Mary put down the apple.
hypothesis: It is probably the case that julius is a frog, or Mary put down the apple.
valid_hypothesis: It is probably the case that julius is a frog, or Mary put down the apple.
invalid_hypothesis: We doubt that julius is a frog, or Mary put down the apple.
hypothesis_assertion: Julius is a frog, or Mary put down the apple.