Two boxers compete while spectators watch tensely from the background.
Two boxers are boxing.
Two boxers compete with each other while spectators watch.
exists e1 p1 x1 x4.(n_background(x4) & exists e2 x2 x3.(from(e2,x4) & Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & n_tensely(x3) & n_spectator(x2)) & while(e1,p1) & Actor(e1,x1) & v_compete(e1) & n_boxer(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_box(e1) & n_boxer(x1) & card_eq_2(x1))