Old man reading a device.
A girl is playing a mobile game.
A girl cannot be an old man and playing a mobile game doesn't involve reading a device.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_read(e1) & n_device(x3) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & a_mobile(s1) & Theme(s1,x2) & n_girl(x1))