The man with the backpack is sitting in a buildings courtyard in front of an art sculpture reading.
A man with a backpack is looking out the window of a speeding bus.
A courtyard is outside, looking out the window is inside, therefore, can not be inside and outside at the same time.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_backpack(x2) & n_man(x1) & in(e1,x5) & of(x5,x6) & n_reading(x6) & of(x6,x8) & n_sculpture(x8) & of(x6,x7) & n_art(x7) & n_front(x5) & in(e1,x3) & Time(x3,x4) & n_courtyard(x4) & n_building(x3) & Actor(e1,x1) & v_sit(e1) & with(x1,x2))
exists e1 x1 x2 x3 x4 x5.(n_window(x3) & out(e1,x3) & of(x3,x4) & n_bus(x4) & of(x4,x5) & n_speeding(x5) & Actor(e1,x1) & v_look(e1) & with(x1,x2) & n_backpack(x2) & n_man(x1))