context: It is highly likely that Bill went to the garden. It is certain that Lily is yellow. It is improbable that Sandra left the apple.
hypothesis: It is probable that either Bill went to the garden, or Lily is yellow.
valid_hypothesis: There is little chance that either Bill went to the garden, or Lily is yellow.
invalid_hypothesis: It is probable that either Bill went to the garden, or Lily is yellow.
hypothesis_assertion: Either Bill went to the garden, or Lily is yellow.