Group of kids doing a performance.
Kids are playing video games.
If the kids are doing a performance, they are not playing video games
exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_performance(x3) & (x1 = x2) & n_kid(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_video(x3) & n_kid(x1))