Two females are playing tennis.
Two women are watching people play tennis.
no mention of females watching them play tennis
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tennis(x2) & n_female(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_tennis(x4) & (x2 = x3) & n_people(x2) & n_woman(x1) & card_eq_2(x1))