A crowd of people walking in the street of a city.
It is a busy street.
If there is a crowd in a street then the street is busy.
exists e1 x1 x2 x3 x4 x5.(n_street(x4) & a_topic(x1) & of(x1,x2) & in(e1,x4) & of(x4,x5) & n_city(x5) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & n_crowd(x1))
exists p1 x1.(n_thing(x1) & exists s1 x2.((x1 = x2) & n_street(x2) & a_busy(s1) & Theme(s1,x2)))