Some people standing on a street corner talking.
There are some people talking.
If there're people on corner talking, then there are some people talking.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x3) & Actor(e2,x5) & v_talk(e2) & (x3 = x5) & n_corner(x3) & of(x3,x4) & n_street(x4) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_talk(e1) & (x2 = x3) & n_people(x2))