A guy doing tricks on his motorcycle next to fireworks.
The man is riding a horse.
Doing tricks is not the same as riding, a motorcycle and horse cannot be ridden at the same time.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x4) & to(x5,x6) & n_firework(x6) & next(x4,x5) & n_thing(x5) & n_motorcycle(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_guy(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2))