A guy with sunglasses and a backpack pointing towards the sky.
the guy is looking downwards  and pointing at his backpack on the floor.
he cant point at the sky and the floor at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(n_sky(x5) & a_topic(s1) & subset_of(x3,s1) & towards(e1,x5) & Actor(e1,x4) & v_point(e1) & (x3 = x4) & n_backpack(x3) & subset_of(x1,s1) & with(x1,x2) & n_sunglass(x2) & n_guy(x1))
exists p1 x1 x5 x6.(n_floor(x6) & n_backpack(x5) & of(x5,x1) & n_male(x1) & n_guy(x1) & exists e2 e1 x2 x3 x4.((x1 = x2) & subset_of(e2,x2) & on(e2,x6) & at(e2,x5) & Actor(e2,x4) & v_point(e2) & n_thing(x4) & subset_of(x3,x2) & n_downward(x3) & Actor(e1,x3) & v_look(e1)))