A group of women laugh as they walk down the street.
A group of women laugh at the clown walking towards them on the street
Just because a group of women are laughing does not mean they are laughing at a clown.
exists e1 p1 x1 x2 x3.(n_street(x3) & exists e2.(down(e2,x3) & Actor(e2,x1) & v_walk(e2)) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_laugh(e1) & of(x1,x2) & n_woman(x2) & n_group(x1))
exists s1 x1 x2 x3 x4 x5.(n_street(x5) & n_walking(x4) & a_clown(s1) & Theme(s1,x4) & a_topic(x1) & on(x1,x5) & at(x1,x4) & towards(x4,x1) & n_thing(x1) & of(x1,x2) & n_laugh(x2) & of(x2,x3) & n_woman(x3) & n_group(x1))