Two people are on a motorcycle in the rain.
The two people are in a car.
The two people can't be in a car if they are on a motorcycle.
exists p1 x1 x2.(n_rain(x2) & in(p1,x2) & exists x3.(on(x1,x3) & n_motorcycle(x3)) & n_people(x1) & card_eq_2(x1))
exists p1 x1.(n_people(x1) & card_eq_2(x1) & exists x2.(in(x1,x2) & n_car(x2)))