Three people at with their backs to the camera at an internet bar.
Three friends having a night out.
Not every people at with their backs to the camera at an internet bar doesn't mean they are having a night out.
exists e1 x1 x2 x3 x4 x5 x6.(n_camera(x4) & r_at(e1) & with(e1,x3) & to(x3,x4) & at(x4,x5) & n_bar(x5) & of(x5,x6) & n_internet(x6) & n_back(x3) & of(x3,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & n_people(x2) & card_eq_3(x2))
exists e1 s1 x1 x2.(a_out(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_night(x2) & n_friend(x1) & card_eq_3(x1))