context: It is certain that Mary went to the hallway. It is likely that Sandra left the apple. It is probable that Lily is a frog.
hypothesis: It is highly likely that sandra left the apple, or Lily is a frog.
valid_hypothesis: It is highly likely that sandra left the apple, or Lily is a frog.
invalid_hypothesis: There is little chance that sandra left the apple, or Lily is a frog.
hypothesis_assertion: Sandra left the apple, or Lily is a frog.