*[[ [Kyoosooaite no osiego-ga nani-o kokusaikaigi-de happyoosi-te koohyoo-o hakusi-ta] node] Yano-sensei-ga sukkari otikondesimat-ta] no [] no syooryaku-nasi no purinto-ga kore des-u .
 rival no student-NOM that what-ACC international.conference-at present-ing popularity-ACC gain-PAST because Y-prof.-NOM greatly get.depress-PAST no  no omission-free no copy-NOM this be-PRES
(Intended: ‘This is a complete copy of what, concerning which Prof. Yano was so greatly depressed because his rival’s student presented it at an international conference and received favorable responses?’)