A girl is making a painting on the sidewalk with people watching
A girl is painting a portrait of a young couple who was passing by.
Just because a girl is painting doesn't imply a portrait of a young couple.
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 e2 s1 s2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_paint(e2) & of(x2,x3) & a_by(s2) & Manner(e1,s2) & Actor(e1,x4) & v_pass(e1) & (x3 = x4) & n_couple(x3) & a_young(s1) & Theme(s1,x3) & n_portrait(x2) & n_girl(x1))