Maryga [Johnga [zibunno gakuseiga juuyoona kasetsuo teianshita to] jimanshiteitano]no kekkano shitekishita .
Mary-NOM 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.