Bikers participate in a two way street ride, with lanes separated by yellow cones.
Car drivers are racing.
Car drivers and bikers are different from each other, and street ride does not mean only racing.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(Actor(e2,x6) & n_cone(x6) & a_yellow(s1) & Theme(s1,x6) & Theme(e2,x5) & v_separate(e2) & with(e1,x5) & n_lane(x5) & in(e1,x2) & n_ride(x2) & of(x2,x4) & n_street(x4) & of(x2,x3) & n_way(x3) & card_eq_2(x2) & Actor(e1,x1) & v_participate(e1) & n_biker(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_race(e1) & n_driver(x1) & of(x1,x2) & n_car(x2))