A young female swimming in a pool.
A boy swings on the monkey bars.
A female and a boy are two different genders of human. ' male ' would be used for a boy.
exists s1 s2 x1 x2.(a_topic(x1) & in(x1,x2) & n_pool(x2) & n_swimming(x1) & a_female(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
exists x1 x2 x3 x4.(n_bar(x3) & of(x3,x4) & n_monkey(x4) & a_topic(x1) & on(x1,x3) & n_swing(x1) & of(x1,x2) & n_boy(x2))