[Sono paati-e-wa [Hanako-ga ________ itta-mitai-na-no-ka] [Jiro-ga ________ itta-mitai-na-no-ka]] (oshiete).
the party-to-TOP Hanako-NOM  went-seem-COP-GEN-KA Jiro-NOM  went-seem-COP-GEN-KA tell
Tell me which is true: it seems that Hanako went to the party or it seems that Jiro went to the party.