A cyclist gets towed by a motorcyclist gaining more and more speed on a racetrack.
The stunt riders are performing a dangerous trick at a show.
A cyclist and motorcyclist aren't necessarily stunt riders doing a dangerous trick.
exists e1 p1 x1.(exists e2 e3 s1 s2 x2 x3 x4 x5.(Actor(e2,x2) & on(e3,x5) & n_racetrack(x5) & Theme(e3,x4) & Actor(e3,x3) & v_gain(e3) & n_speed(x4) & a_more(s2) & Theme(s2,x4) & a_more(s1) & Theme(s1,x4) & (x2 = x3) & n_motorcyclist(x2) & Theme(e2,x1) & v_tow(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_cyclist(x1))
exists e1 s1 x1 x2 x3 x4.(n_rider(x1) & of(x1,x2) & n_stunt(x2) & at(e1,x4) & n_show(x4) & Theme(e1,x3) & Actor(e1,x1) & v_perform(e1) & n_trick(x3) & a_dangerous(s1) & Theme(s1,x3))