context: Chances are slight that Greg is yellow. It is impossible that Mary went to the garden. It is probably the case that Lily is green.
hypothesis: It is probable that lily is green, or Mary went to the garden.
valid_hypothesis: It is probable that lily is green, or Mary went to the garden.
invalid_hypothesis: Chances are slight that lily is green, or Mary went to the garden.
hypothesis_assertion: Lily is green, or Mary went to the garden.