A man holding a hard hat wearing an orange shirt looks at the camera.
A construction worker notices a photographer.
The presence of a camera does not necessitate the presence of a photographer.
exists e2 e3 e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_camera(x7) & at(e3,x7) & Actor(e3,x1) & v_look(e3) & Theme(e2,x3) & Actor(e2,x2) & v_hold(e2) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_shirt(x5) & of(x5,x6) & n_orange(x6) & (x3 = x4) & n_hat(x3) & a_hard(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_notice(e1) & n_photographer(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))