A woman wearing a red coat smiles down at the camera.
A model in a red coat.
The woman in sentence one can anything but a model. She could just be taking a selfie or something so you cannot assume the woman is a model.
exists e1 e2 s1 s2 x1 x2 x3 x4.(n_camera(x4) & a_down(s2) & Manner(e2,s2) & at(e2,x4) & Actor(e2,x1) & v_smile(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_coat(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1))
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_coat(x2) & a_red(s1) & Theme(s1,x2) & n_model(x1))