A motocross rider is on a dirt hill.
The rider is going too fast.
Just because a motorcycle rider is on a dirt road does not mean he is going too fast or moving at all
exists p1 x1 x2.(exists x3 x4.(on(x1,x3) & n_hill(x3) & of(x3,x4) & n_dirt(x4)) & n_rider(x1) & of(x1,x2) & n_motocross(x2))
exists e1 s1 x1.(n_rider(x1) & r_too(e1) & a_fast(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1))