A four wheel drive car is driving through the mud.
The four wheel drive car is in a competition.
through the mud doesn't always mean .competition.
exists e1 x1 x2 x3 x4.(n_mud(x4) & through(e1,x4) & Actor(e1,x1) & v_drive(e1) & n_car(x1) & of(x1,x3) & n_drive(x3) & of(x1,x2) & n_wheel(x2) & card_eq_4(x1))
exists p1 x1 x2 x3.(n_car(x1) & of(x1,x3) & n_drive(x3) & of(x1,x2) & n_wheel(x2) & card_eq_4(x1) & exists x4.(in(x1,x4) & n_competition(x4)))