Two bicyclists chat as they pass in front of a white building with columns.
The people are walking through the park.
People wouldn't be in front of a building when they are walking through a park because parks do not have buildings in them.
exists e1 p1 x1.(exists e2 s1 x2 x3 x4.(in(e2,x2) & of(x2,x3) & with(x3,x4) & n_column(x4) & n_building(x3) & a_white(s1) & Theme(s1,x3) & n_front(x2) & Actor(e2,x1) & v_pass(e2)) & n_thing(x1) & as(e1,p1) & Actor(e1,x1) & v_chat(e1) & n_bicyclist(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_park(x2) & n_people(x1) & through(e1,x2) & Actor(e1,x1) & v_walk(e1))