A man performing a jump on his bicycle.
The man is riding a motorcycle.
A motorcycle is a motorized bicycle, they are not the same product.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & on(x3,x4) & n_bicycle(x4) & of(x4,x1) & n_male(x1) & n_jump(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x2))