People around a table playing roulette.
the people all won at roulette
People playing roulette does not imply the people all won.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_roulette(x4) & (x1 = x3) & around(x1,x2) & n_table(x2) & n_people(x1))
exists x2.(n_people(x2) & all x1.((x1 = x2) -> exists e1 x3.(at(e1,x3) & n_roulette(x3) & Actor(e1,x1) & v_win(e1))))