Mary-wa [[[John-ga [[ [e] atarasii kasetu-o teiansi-ta] gakusei]-o homete-ita] sono atarasii kasetu]-no kekkan]-o siteki-si-ta .
Mary-TOP John-NOM  new hypothesis-ACC propose-PAST student-ACC praise-had that hypothesis-GEN defect-ACC point.out-do-PAST
John praised the student who proposed a new hypothesis and Mary pointed out a defect in it.