context: It is likely that Bill went to the garden. It is improbable that Mary put down the apple. There is almost no chance that Greg is white.
hypothesis: There is a very good chance that either Mary put down the apple, or Greg is white.
valid_hypothesis: There is little chance that either Mary put down the apple, or Greg is white.
invalid_hypothesis: There is a very good chance that either Mary put down the apple, or Greg is white.
hypothesis_assertion: Either Mary put down the apple, or Greg is white.