A man holding a camera underwater.
The camera is waterproof.
Because the camera is underwater does not imply it is waterproof.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_underwater(x3) & of(x3,x4) & n_camera(x4) & (x1 = x2) & n_man(x1))
exists s1 x1.(n_camera(x1) & Theme(s1,x1) & a_waterproof(s1))