context: It is likely that Greg is yellow. It is impossible that Mary went to the garden. It is improbable that Julius is white.
hypothesis: It is probable that mary went to the garden, or Greg is yellow.
valid_hypothesis: It is probable that mary went to the garden, or Greg is yellow.
invalid_hypothesis: Chances are slight that mary went to the garden, or Greg is yellow.
hypothesis_assertion: Mary went to the garden, or Greg is yellow.