Maryga [Johnga [[zibun no gakuseiga zyuuyoona kasetuo teiansita] to] zimansiteita] no [pro] no kekkano sitekisita .
M-NOM J-NOM self ’s student-NOM important hypothesis-ACC propose-PAST COMP boast-PAST no  no defect-ACC point.out-PAST
John had boasted [that his student proposed an important hypothesis]], and Mary pointed out the defect in it.