Asian girls serving food on trays.
The girls are serving food on trays.
Girls serving is a rephrasing of girls are serving.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_tray(x4) & Theme(e1,x3) & Actor(e1,x2) & v_serve(e1) & n_food(x3) & (x1 = x2) & n_girl(x1) & a_asian(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_girl(x1) & on(e1,x3) & n_tray(x3) & Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & n_food(x2))