A blond woman, on a green outdoor mat, plays ball with a teammate.
Two people are playing ball.
Woman and teammate means two people, therefore two people are playing ball.
exists e1 s1 s2 x1 x2 x3 x4 x5.(on(e1,x4) & n_mat(x4) & of(x4,x5) & n_outdoor(x5) & a_green(s2) & Theme(s2,x4) & with(e1,x3) & n_teammate(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_ball(x2) & n_woman(x1) & a_blond(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_ball(x2) & n_people(x1) & card_eq_2(x1))