A young boy wearing a gray sweater is coloring on a piece of paper with crayons.
The young boy is erasing something.
The boy cannot be coloring and erasing at the same time.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(on(e2,x4) & with(x4,x6) & n_crayon(x6) & of(x4,x5) & n_paper(x5) & n_piece(x4) & Actor(e2,x1) & v_color(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_sweater(x3) & a_gray(s2) & Theme(s2,x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_boy(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_erase(e1) & n_thing(x2))