Man is sitting on top of the balcony and viewing the beautiful city.
Nobody is hitting.
Either there is a man, or there is nobody sitting.
exists e2 e1 s1 x1 x2 x3 x4 x5.(n_city(x5) & a_beautiful(s1) & Theme(s1,x5) & n_balcony(x3) & Theme(e2,x5) & Actor(e2,x4) & v_view(e2) & n_man(x4) & on(e1,x2) & of(x2,x3) & n_top(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
-exists e1 x1.(Actor(e1,x1) & v_hit(e1) & n_person(x1))