A cat sits in a trolley cart while people pass on the street.
There are a number of people walking down the street.
People passing on the street can be rephrased as people walking down the street.
exists e1 p1 x1 x2 x3 x5.(n_street(x5) & exists e2 x4.(on(e2,x5) & Actor(e2,x4) & v_pass(e2) & n_people(x4)) & while(e1,p1) & in(e1,x2) & n_cart(x2) & of(x2,x3) & n_trolley(x3) & Actor(e1,x1) & v_sit(e1) & n_cat(x1))
exists p1 x1 x5.(n_street(x5) & exists e1 x2 x3 x4.((x1 = x2) & of(x2,x3) & down(e1,x5) & Actor(e1,x4) & v_walk(e1) & (x3 = x4) & n_people(x3) & n_number(x2)))