Two children laying on the ground smile at each other.
Two children are laying on the ground watching the clouds.
The children may be smiling for other reasons and may or may not be watching the clouds.
exists e1 x1 x2 x3 x4.(n_smile(x3) & of(x3,x4) & n_ground(x4) & a_topic(x1) & all x5.(n_other(x5) -> at(e1,x5)) & on(e1,x3) & Actor(e1,x2) & v_lay(e1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3.(n_cloud(x3) & n_ground(x2) & for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_watch(e2) & on(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_child(x1) & card_eq_2(x1))