context: It is certain that John went to the garden. It is probable that Brian is yellow. There is little chance that Daniel grabbed the milk. It is probable that if Brian is yellow, and Daniel grabbed the milk, then Emily is a sheep. It is certain that if John went to the garden, or Brian is yellow, then Julius is a rhino. It is highly unlikely that if John went to the garden, or Daniel grabbed the milk, then Mary dropped the milk.
hypothesis: It is almost certain that either Mary dropped the milk, or John went to the garden.
valid_hypothesis: It is almost certain that either Mary dropped the milk, or John went to the garden.
invalid_hypothesis: It is impossible that either Mary dropped the milk, or John went to the garden.
hypothesis_assertion: Either Mary dropped the milk, or John went to the garden.