Two lines of colorful cars racing on a racetrack.
Some boats float in a pond.
Cars racing on a track is different than boats on a pond.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_racetrack(x4) & Actor(e1,x3) & v_race(e1) & (x1 = x3) & of(x1,x2) & n_car(x2) & a_colorful(s1) & Theme(s1,x2) & n_line(x1) & card_eq_2(x1))
exists e1 x1 x2.(in(e1,x2) & n_pond(x2) & Actor(e1,x1) & v_float(e1) & n_boat(x1))