context: We believe that Lily is a swan. There is almost no chance that Sandra left the apple. It is impossible that Mary moved to the office.
hypothesis: We believe that sandra left the apple, or Lily is a swan.
valid_hypothesis: We believe that sandra left the apple, or Lily is a swan.
invalid_hypothesis: It is unlikely that sandra left the apple, or Lily is a swan.
hypothesis_assertion: Sandra left the apple, or Lily is a swan.