Two young children smile as they lay on green grass.
Two boys are playing on the grass
The young children may not be boys. Smiling happens even when children are not at play.
exists e1 p1 s1 x1.(exists e2 s2 x2.(on(e2,x2) & n_grass(x2) & a_green(s2) & Theme(s2,x2) & Actor(e2,x1) & v_lay(e2)) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & n_child(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(n_grass(x2) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & card_eq_2(x1))