Dono-seito-ni tannin-wa koocyoo-ga hon-o yonda-to tosyositu-de sisyo-ni iimasita-ka?
which student-dat class teacher-top [principal-nom book-acc read-DeclC] library-at librarian-dat told-QP
Which student, did the class teacher tell the librarian at the library that the principal read a book for?