Two men in black bulletproof vests watch something taking place to the right of the picture.
two guards spot a burgler
Not all men wearing bullet proof vests are guards.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_picture(x8) & n_right(x7) & Theme(e2,x4) & Actor(e2,x1) & v_watch(e2) & to(e1,x7) & of(x7,x8) & Theme(e1,x6) & Actor(e1,x5) & v_take(e1) & n_place(x6) & (x4 = x5) & n_thing(x4) & in(x1,x2) & n_vest(x2) & of(x2,x3) & n_bulletproof(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_spot(e1) & n_burgler(x2) & n_guard(x1) & card_eq_2(x1))