Two white guys are playing video games in their dorm.
The people are playing video games indoor.
All can be inferred, guys are people, video games, a dorm is indoor.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_dorm(x4) & of(x4,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_video(x3) & n_guy(x1) & a_white(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & Theme(s1,x4) & a_indoor(s1) & (x2 = x4) & n_game(x2) & of(x2,x3) & n_video(x3))