A street artist is surrounded by his artwork while sitting and painting.
The artist is sculpting a bust.
One would not be painting and sculpting a bust at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x5,s1) & n_painting(x5) & subset_of(x1,s1) & while(e1,e2) & Actor(e2,x3) & v_sit(e2) & Actor(e1,x4) & n_artwork(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & v_surround(e1) & (x1 = x3) & n_artist(x1) & of(x1,x2) & n_street(x2))
exists e1 x1 x2.(n_artist(x1) & Theme(e1,x2) & Actor(e1,x1) & v_sculpt(e1) & n_bust(x2))