a blond man looks at the camera.
The man is modeling for the camera.
When a man looks at a camera it does not imply that he is modeling for the camera.
exists e1 s1 x1 x2.(n_camera(x2) & at(e1,x2) & Actor(e1,x1) & v_look(e1) & n_man(x1) & a_blond(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_camera(x2) & n_man(x1) & for(e1,x2) & Actor(e1,x1) & v_model(e1))