Woman giving a presentation about a Chevrolet car.
A woman is giving a talk on the new chevrolet model
A talk and a presentation are not the same, we do not know if the car is new or not and car and model are not the same thing.
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.(n_model(x3) & of(x3,x4) & n_chevrolet(x4) & a_new(s1) & Theme(s1,x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_talk(x2) & n_woman(x1))