A girl is making a painting on the sidewalk with people watching
A girl is painting a portrait.
A girl making a painting is not necessarily a portrait.
exists e1 e2 x1 x2 x3 x4.(n_sidewalk(x3) & Actor(e2,x4) & v_watch(e2) & with(e1,x4) & n_people(x4) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_painting(x2) & n_girl(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_portrait(x2) & n_girl(x1))