A guy is communicating with someone in a car.
A guy is communicating with a woman in a car.
A guy communicating with someone in a car doesn't necessarily imply it is a woman.
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 e1 x1 x2 x3.(with(e1,x2) & in(x2,x3) & n_car(x3) & n_woman(x2) & Actor(e1,x1) & v_communicate(e1) & n_guy(x1))