A girl in a red shirt and a boy in a green sweater playing Nintendo.
Boy in skirt plays girl games.
It's either a girl and a boy or just a boy, not both. Playing Nintendo is a different action than playing girl games.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(ne_org_nintendo(x6) & a_topic(s1) & subset_of(x3,s1) & in(x3,x4) & Theme(e1,x6) & Actor(e1,x5) & v_play(e1) & (x4 = x5) & n_sweater(x4) & a_green(s3) & Theme(s3,x4) & n_boy(x3) & subset_of(x1,s1) & in(x1,x2) & n_shirt(x2) & a_red(s2) & Theme(s2,x2) & n_girl(x1))
exists e1 x1 x2 x3 x4.(ne_nam_boy(x1) & in(e1,x4) & n_skirt(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_girl(x3))