A crowd of people walking in the street of a city.
The crowd are at a street fair.
Just because the crowd is walking in the street doesn't mean they are at a street fair.
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_crowd(x1) & exists x2 x3.(at(x1,x2) & n_fair(x2) & of(x2,x3) & n_street(x3)))