A motorcyclist is in the air on his or her bike, and the rest of the background is blurry.
There is a person riding a motorcycle.
If a motorcyclist is on a bike, their bike is a motorcycle, so they must be riding it.
exists p1 s1 x1 x2 x3 x4 x5 x6.(n_background(x3) & n_rest(x2) & n_bike(x6) & of(x6,x5) & n_female(x5) & n_bike(x5) & of(x5,x4) & n_male(x4) & n_air(x4) & Theme(s1,x2) & a_blurry(s1) & of(x2,x3) & ((in(x1,x4) & on(x4,x5)) | (in(x1,x4) & on(x4,x6))) & n_motorcyclist(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_motorcycle(x4) & (x2 = x3) & n_person(x2))