A black man in a blue& white shirt staring at the camera.
The photo is of the back of the man's head.
If the man is looking at the camera the photo wouldn't be of the back if his head.
exists e1 s1 s2 s3 x1 x2 x3 x4.(n_camera(x4) & a_topic(x1) & in(x1,x2) & at(e1,x4) & Actor(e1,x3) & v_stare(e1) & (x2 = x3) & n_shirt(x2) & a_white(s3) & Theme(s3,x2) & ne_org_&(x2) & a_blue(s2) & Theme(s2,x2) & n_man(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 x2 x3 x4.(n_head(x4) & of(x4,x3) & n_man(x3) & n_back(x2) & n_photo(x1) & of(x1,x2) & of(x2,x4))