A man painting over graffiti.
A man is covering graffiti with paint.
A man painting over graffiti is covering graffiti.
exists x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_graffitus(x3) & n_painting(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3.(with(e1,x3) & n_paint(x3) & Theme(e1,x2) & Actor(e1,x1) & v_cover(e1) & n_graffitus(x2) & n_man(x1))