A teacher at the front of a small blackboard opening a book for a class of young children.
A tall teacher.
Just because the teacher is teaching in front of the class, doesn't mean that the teacher is tall.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_front(x2) & a_topic(x1) & at(x1,x2) & of(x2,x3) & Theme(e1,x5) & Actor(e1,x4) & v_open(e1) & for(x5,x6) & of(x6,x7) & n_child(x7) & a_young(s2) & Theme(s2,x7) & n_class(x6) & n_book(x5) & (x3 = x4) & n_blackboard(x3) & a_small(s1) & Theme(s1,x3) & n_teacher(x1))
exists s1 x1.(a_topic(x1) & n_teacher(x1) & a_tall(s1) & Theme(s1,x1))