A class full of students.
Students fill a class.
"A class full of students." is another way to say "Students fill a class."
exists s1 x1 x2 x3.(a_topic(x1) & of(s1,x3) & n_student(x3) & Theme(s1,x2) & a_full(s1) & (x1 = x2) & n_class(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fill(e1) & n_class(x2) & n_student(x1))