A person in red and white doing a midair trick on their dirt bike.
A person is on a dirt bike.
A person in red and white is a person and he is doing midair trick on a dirt bike.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & on(x4,x6) & n_bike(x6) & of(x6,x7) & n_dirt(x7) & of(x6,x1) & n_thing(x1) & n_trick(x4) & of(x4,x5) & n_midair(x5) & (x1 = x3) & in(x1,x2) & n_white(x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1.(exists x2 x3.(on(x1,x2) & n_bike(x2) & of(x2,x3) & n_dirt(x3)) & n_person(x1))