Two women playing ping-pong ball in bikinis.
Two woman watching people play tennis.
ping-pong and tennis are not the same.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_bikini(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_ball(x3) & a_ping-pong(s1) & Theme(s1,x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_play(e2) & n_tennis(x4) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_people(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))