A black and white motorcycle is being ridden around a racetrack.
The green motorcycle is on fire.
Black and white is not green and if it is being ridden, it is not on fire.
exists e1 s1 s2 x1 x2.(around(e1,x2) & n_racetrack(x2) & Theme(e1,x1) & v_ride(e1) & n_motorcycle(x1) & a_white(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists p1 s1 x1.(n_motorcycle(x1) & a_green(s1) & Theme(s1,x1) & exists x2.(on(x1,x2) & n_fire(x2)))