Three police officers and one civilian are on a sidewalk.
Three police officers stop of suspicious individual
three police officers stop of suspicious individual on a sidewalk
exists p1 s1 x1 x2 x3 x4.(exists x5.(on(x1,x5) & n_sidewalk(x5)) & n_thing(x3) & card_eq_1(x3) & a_civilian(s1) & Theme(s1,x3) & n_officer(x2) & of(x2,x4) & n_police(x4) & card_eq_3(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x4) & n_individual(x4) & a_suspicious(s1) & Theme(s1,x4) & n_stop(x1) & of(x1,x3) & n_officer(x3) & of(x1,x2) & n_police(x2) & card_eq_3(x1))