A bunch of motorcycle racers in colorful helmets racing neck to neck.
A motorcycle race mid race.
If there are a bunch of motorcycle racers, then we are likely at a motorcycle race and if the racers are neck and neck, it is likely that they are mid race.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & to(e1,x7) & n_neck(x7) & Theme(e1,x6) & Actor(e1,x5) & v_race(e1) & n_neck(x6) & (x1 = x5) & in(x1,x4) & n_helmet(x4) & a_colorful(s1) & Theme(s1,x4) & of(x1,x2) & n_racer(x2) & of(x2,x3) & n_motorcycle(x3) & n_bunch(x1))
exists s1 x1 x2 x3.(a_topic(x1) & n_race(x1) & a_mid(s1) & Theme(s1,x1) & of(x1,x3) & n_race(x3) & of(x1,x2) & n_motorcycle(x2))