The girls are playing soccer.
Humans playing.
The girls are humans.
exists e1 x1 x2.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2))
exists s1 x1 x2.(n_playing(x1) & (x1 = x2) & ne_nam_humans(x2) & a_.(s1) & Theme(s1,x1) & a_topic(x1))