A complex building is in the background with people standing around and some riding bikes.
People are riding bikes
People riding bikes in front of a building.
exists p1 s1 x1 x2.(n_background(x2) & exists e1 s2 x3 x4 x5 x6 x7.(in(x1,x2) & with(x2,x3) & subset_of(x6,x3) & n_bike(x6) & of(x6,x7) & n_riding(x7) & subset_of(x4,x3) & a_around(s2) & Manner(e1,s2) & Actor(e1,x5) & v_stand(e1) & (x4 = x5) & n_people(x4)) & n_building(x1) & a_complex(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_people(x1))