Two motorcyclists racing neck and neck around a corner.
Motorcyclists are stopped at a stop sign.
Motorcyclist can't be stopped at the same time they are racing.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & around(e1,x6) & n_corner(x6) & Theme(e1,x3) & Actor(e1,x2) & v_race(e1) & n_neck(x5) & n_neck(x4) & subset_of(x5,x3) & subset_of(x4,x3) & (x1 = x2) & n_motorcyclist(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(at(e1,x2) & n_sign(x2) & of(x2,x3) & n_stop(x3) & Theme(e1,x1) & v_stop(e1) & n_motorcyclist(x1))