Man drawing art on the ground.
a man sits and stares at a tree
If one sits and stares, one would not be drawing art.
exists x1 x2 x3 x4.(n_ground(x4) & a_topic(x1) & on(x1,x4) & n_art(x1) & of(x1,x3) & n_drawing(x3) & of(x1,x2) & n_man(x2))
exists e2 e1 x1 x2 x3.(at(e2,x3) & n_tree(x3) & Actor(e2,x2) & v_stare(e2) & n_man(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))