Two people are riding their bikes in city traffic.
people ride their bikes in traffic.
City traffic is a type of traffic.
exists e1 x1 x2 x3 x4.(in(e1,x3) & n_traffic(x3) & of(x3,x4) & n_city(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_thing(x1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_traffic(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_thing(x1) & n_people(x1))