Three children sit in a field and play with a soccer ball.
Three kids are playing soccer.
kids can only be  playing with a soccer ball  on the field
exists e1 x1 x2 x3 x4 x5 x6.(with(e1,x5) & n_ball(x5) & of(x5,x6) & n_soccer(x6) & in(e1,x2) & n_play(x4) & n_field(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_sit(e1) & n_child(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_kid(x1) & card_eq_3(x1))