#[[choodo san-nin-no insei-ga doyoobi-no paatii-ni ki-ta] no]-ga jitsuwa uchi-de taamu peepaa-o kaite-i-ta .
exactly three.CL.GEN grad-student.NOM Saturday.GEN party-to come.PAST NO.NOM in-fact home-at term paper.ACC write.PROG.PAST
#Exactly three graduate students came to the party on Saturday, and they (=these very students) were in fact writing term papers at home.