Students in a classroom of some sort are doing art projects.
The students are using crayon for their art projects.
Not all students using crayon for their art projects.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_do(e1) & n_project(x4) & of(x4,x5) & n_art(x5) & in(x1,x2) & of(x2,x3) & n_sort(x3) & n_classroom(x2) & n_student(x1))
exists e1 x1 x2 x3 x4.(n_project(x3) & of(x3,x4) & n_art(x4) & of(x3,x1) & n_thing(x1) & n_student(x1) & for(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_crayon(x2))