A man is playing a video game while another watches in the background.
The two men are having a BBQ party.
Video game and BBQ party are different.
exists e1 x1 x2 x3 x4 x5 x6.(n_background(x6) & n_watch(x4) & in(e1,x6) & while(e1,x5) & n_watch(x5) & -(x5 = x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_video(x3) & n_man(x1))
exists e1 x1 x2 x3.(n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_party(x2) & (x2 = x3) & ne_org_bbq(x3))