A man on a blue motorcycle.
A person on two wheel bike.
A man is a person.
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_motorcycle(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & n_bike(x2) & of(x2,x3) & n_wheel(x3) & card_eq_2(x2) & n_person(x1))