Woman swimming in a big race.
The woman is in a pool swimming.
The woman is swimming so she must be in a pool.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_race(x3) & a_big(s1) & Theme(s1,x3) & n_swimming(x1) & (x1 = x2) & ne_nam_woman(x2))
exists p1 x1.(n_woman(x1) & exists x2 x3.(in(x1,x2) & n_swimming(x2) & of(x2,x3) & n_pool(x3)))