context: It is probably not the case that Jessica is a sheep. There is little chance that John went to the garden. It is impossible that Mary dropped the milk.
hypothesis: There is a very good chance that either Mary dropped the milk, or Jessica is a sheep.
valid_hypothesis: It is probably not the case that either Mary dropped the milk, or Jessica is a sheep.
invalid_hypothesis: There is a very good chance that either Mary dropped the milk, or Jessica is a sheep.
hypothesis_assertion: Either Mary dropped the milk, or Jessica is a sheep.