A guy is communicating with someone in a car.
Two people are in a car.
A guy communicating with someone in a car implies that there are two people in the car.
exists e1 x1 x2 x3.(in(e1,x3) & n_car(x3) & with(e1,x2) & n_person(x2) & Actor(e1,x1) & v_communicate(e1) & n_guy(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_car(x2)) & n_people(x1) & card_eq_2(x1))