Two men pose for a picture on a camera phone.
Two men are hiding from a camera phone behind a tree.
One would not pose for a picture if one was hiding from the camera
exists e1 x1 x2 x3 x4.(for(e1,x2) & on(x2,x3) & n_phone(x3) & of(x3,x4) & n_camera(x4) & n_picture(x2) & Actor(e1,x1) & v_pose(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(behind(e1,x4) & n_tree(x4) & from(e1,x2) & n_phone(x2) & of(x2,x3) & n_camera(x3) & Actor(e1,x1) & v_hide(e1) & n_man(x1) & card_eq_2(x1))