A person on a red bike.
the person rides the bike with no hands, using his body to turn
A person being on a red bike is no indication the person rides the bike with no hands, using his body to turn
exists s1 x1 x2.(a_topic(x1) & on(x1,x2) & n_bike(x2) & a_red(s1) & Theme(s1,x2) & n_person(x1))
exists e1 e2 p1 x1 x2 x3.(n_body(x3) & of(x3,x2) & n_male(x2) & n_bike(x2) & n_person(x1) & for(e1,e2) & Theme(e2,p1) & Recipient(e2,x3) & Actor(e2,x1) & v_use(e2) & exists e3.(Actor(e3,x1) & v_turn(e3)) & -exists x4.(with(e1,x4) & n_hand(x4)) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))