context: It is improbable that Lily is white. Chances are slight that John went to the kitchen. There is almost no chance that Yann is bored.
hypothesis: Chances are slight that either John went to the kitchen, or Yann is bored.
valid_hypothesis: Chances are slight that either John went to the kitchen, or Yann is bored.
invalid_hypothesis: It is certain that either John went to the kitchen, or Yann is bored.
hypothesis_assertion: Either John went to the kitchen, or Yann is bored.