A couple dancing in the street.
A couple is laughing as they dance
Dancing does not imply laughing.
exists x1 x2 x3.(n_street(x3) & a_topic(x1) & in(x1,x3) & n_dancing(x1) & of(x1,x2) & n_couple(x2))
exists e1 p1 x1.(exists e2.(Actor(e2,x1) & v_dance(e2)) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_laugh(e1) & n_couple(x1))