A group of spectators use their cameras to capture an image.
The cameras have straps.
We have no idea if the cameras have straps, not all cameras have straps.
exists e1 p1 x1 x2 x3.(Theme(e1,p1) & Recipient(e1,x3) & Actor(e1,x1) & v_use(e1) & exists e2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_capture(e2) & n_image(x4)) & n_camera(x3) & of(x3,x1) & n_thing(x1) & of(x1,x2) & n_spectator(x2) & n_group(x1))
exists e1 x1 x2.(n_camera(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_strap(x2))