A man takes a picture of colorful art painted on a wall.
A man is holding a camera.
takes a picture implies that man is holding a camera.
exists e1 e2 s1 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & of(x2,x3) & on(e1,x5) & n_wall(x5) & Theme(e1,x4) & v_paint(e1) & (x3 = x4) & n_art(x3) & a_colorful(s1) & Theme(s1,x3) & n_picture(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_camera(x2) & n_man(x1))