Woman giving a presentation about a Chevrolet car.
Woman presenting new model Cherolet car.
Just because there is a presentation about a car doesn't mean it is a new model car.
exists e1 x1 x2 x3 x4.(ne_nam_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & about(x2,x3) & n_car(x3) & of(x3,x4) & n_chevrolet(x4) & n_presentation(x2))
exists e1 s1 x1 x2 x3 x4.(ne_nam_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_present(e1) & n_car(x2) & (x2 = x4) & ne_nam_cherolet(x4) & of(x2,x3) & n_model(x3) & a_new(s1) & Theme(s1,x2))