Two tennis players are talking on the tennis courts.
The ground is green.
The tennis courts are green.
exists e1 x1 x2 x3.(on(e1,x3) & n_court(x3) & of(x3,x2) & n_tennis(x2) & n_tennis(x2) & Actor(e1,x1) & v_talk(e1) & n_player(x1) & of(x1,x2) & card_eq_2(x1))
exists s1 x1.(n_ground(x1) & Theme(s1,x1) & a_green(s1))