Girl in the middle of a tennis match.
Nancy was at the game.
Just because Girl in the middle of a tennis match doesn't mean it was Nancy.
exists s1 x1 x2 x3.(n_middle(x1) & ne_nam_girl(s1) & a_topic(s1) & in(s1,x1) & of(x1,x2) & n_match(x2) & of(x2,x3) & n_tennis(x3))
exists p1 x1 x2.(n_game(x2) & ne_per_nancy(x1) & at(x1,x2))