context: There is little chance that Mary went to the garden. It is probably the case that Fred moved to the office. It is almost certain that Gertrude is a sheep.
hypothesis: It is probably not the case that either Fred moved to the office, or Mary went to the garden.
valid_hypothesis: It is probably the case that either Fred moved to the office, or Mary went to the garden.
invalid_hypothesis: It is probably not the case that either Fred moved to the office, or Mary went to the garden.
hypothesis_assertion: Either Fred moved to the office, or Mary went to the garden.