A car is driven on a dusty track.
A car is parked in a parking lot.
The car cannot be driven if it is parked.
exists e1 s1 x1 x2.(on(e1,x2) & n_track(x2) & a_dusty(s1) & Theme(s1,x2) & Theme(e1,x1) & v_drive(e1) & n_car(x1))
exists e1 x1 x2 x3.(in(e1,x2) & n_lot(x2) & of(x2,x3) & n_parking(x3) & Theme(e1,x1) & v_park(e1) & n_car(x1))