Three police officers on motorcycles on the street with pedestrians walking on the sidewalk in the background.
Three officer riding bikes on the sidewalk.
The officers are either riding bikes or on motorcycles.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x8) & n_sidewalk(x7) & n_street(x4) & a_topic(x1) & with(x1,x5) & in(e1,x8) & on(e1,x7) & Actor(e1,x6) & v_walk(e1) & (x5 = x6) & n_pedestrian(x5) & on(x1,x3) & on(x3,x4) & n_motorcycle(x3) & n_officer(x1) & of(x1,x2) & n_police(x2) & card_eq_3(x1))
exists x1 x2 x3 x4.(n_sidewalk(x4) & a_topic(x1) & on(x1,x4) & n_bike(x1) & of(x1,x3) & n_riding(x3) & of(x1,x2) & n_officer(x2) & card_eq_3(x1))