Mary-wa [[John-ga [jibun-no gakusei-ga juuyouna kasetsu-o teian-shi-ta to] jimanshite-ita]-no]-no kekkan]-o shiteki-shi-ta .
Mary-TOP John-NOM self-GEN student-NOM important hypothesis-ACC propose-do-PAST COMP boasted-had-NL-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.