A man sitting on a huge rock to pose for a picture.
A man is running away from the rock.
If the man is running away from the rock, he can't be sitting on it as well.
exists e1 p1 s1 x1 x2 x3 x4.(a_topic(x1) & Topic(e1,p1) & exists e2 x5.(for(e2,x5) & n_picture(x5) & Actor(e2,x2) & v_pose(e2)) & on(e1,x4) & n_rock(x4) & a_huge(s1) & Theme(s1,x4) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_rock(x2) & from(e1,x2) & r_away(e1) & Actor(e1,x1) & v_run(e1) & n_man(x1))