Mary-wa [[[John-ga [[zibun-no gakusei-ga zyuuyoona kasetu-o teian-si-ta] to] zimansite-ita] no]-no kekkan]-o siteki-si-ta .
Mary.TOP John.NOM self.GEN student.NOM important hypothesis.ACC propose-do.PAST.COMP boasted-had NO.GEN defect.ACC point.out-do.PAST
John had boasted that his student proposed an important hypothesis and Mary pointed out a defect in it.