Girl and boy serving food on plate
The girl and boy are part of a waiting staff
Not all girl and boy serving food on plate are part of a waiting staff.
exists e1 s1 x1 x2 x3 x4 x5.(ne_nam_girl(x1) & a_topic(s1) & subset_of(x2,s1) & on(e1,x5) & n_plate(x5) & Theme(e1,x4) & Actor(e1,x3) & v_serve(e1) & n_food(x4) & (x2 = x3) & n_boy(x2) & subset_of(x1,s1))
exists p1 x1 x2 x3.(n_boy(x3) & n_girl(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists e1 x4 x5.((x1 = x4) & of(x4,x5) & n_staff(x5) & Actor(e1,x5) & v_wait(e1) & n_part(x4)))