A boy dressed in all black sits on his bike.
Boy sitting in a car
A car is not a bike.
exists e1 e2 x1 x2 x3.(on(e2,x3) & n_bike(x3) & of(x3,x1) & n_male(x1) & Actor(e2,x1) & v_sit(e2) & all x4.(n_black(x4) -> in(e1,x4)) & Theme(e1,x2) & v_dress(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2.(ne_nam_boy(x1) & in(e1,x2) & n_car(x2) & Actor(e1,x1) & v_sit(e1))