A skier poses for a picture on top of a mountain.
A skier is having a picture taken.
If one poses for a picture then one is having his picture taken.
exists e1 x1 x2 x3 x4.(for(e1,x2) & on(x2,x3) & of(x3,x4) & n_mountain(x4) & n_top(x3) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_skier(x1))
exists e1 e2 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & Theme(e1,x3) & v_take(e1) & (x2 = x3) & n_picture(x2) & n_skier(x1))