[ [Hanako-ga hashitta-ka] [Jiro-ga hashitta-ka]] mitai-da .
 Hanako-NOM ran-KA Jiro-NOM ran-KA seem-COP
It seems that Hanako ran or Jiro ran.’ (✓∨-statement) *‘Which seems to be true: Hanako ran or Jiro ran?’ (*AltQ)