One man in black is jumping high into the air on his bicycle.
A man is skateboarding on a rail.
You can not be skateboarding on a bicycle, even if a thrill-seeker wants to try!
exists e1 p1 x1 x2 x3 x4.(n_bicycle(x4) & of(x4,x3) & n_male(x3) & n_air(x3) & on(e1,x4) & into(e1,x3) & exists s1.(Theme(s1,x1) & a_high(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_black(x2) & n_man(x1) & card_eq_1(x1))
exists e1 x1 x2.(on(e1,x2) & n_rail(x2) & Actor(e1,x1) & v_skateboard(e1) & n_man(x1))