Here is a picture of two men walking in and out of a police station.
Pedestrian traffic at the building where police are at.
People walking in and out would be considered pedestrian traffic.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(s2,x1) & a_here(s2) & of(x1,x2) & of(e2,x5) & n_station(x5) & of(x5,x6) & n_police(x6) & r_out(e2) & Actor(e2,x4) & v_walk(e2) & (x2 = x4) & a_in(s1) & Manner(e1,s1) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_man(x2) & card_eq_2(x2) & n_picture(x1))
(x)