Four children in a classroom setting making art projects.
Some students in a classroom.
Not all children are students.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_make(e1) & n_project(x5) & of(x5,x6) & n_art(x6) & (x2 = x4) & n_setting(x2) & of(x2,x3) & n_classroom(x3) & n_child(x1) & card_eq_4(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_classroom(x2) & n_student(x1))