Two females are playing volleyball, one female is hitting the ball over the net.
The women are playing outside.
in this instance, females are playing volleyball, which could be played outside. Females are women, so I presume the second sentence clarifies that they are playing volleyball outside.
exists e1 e2 x1 x2 x3 x4 x5.(n_net(x5) & n_ball(x4) & over(e2,x5) & Theme(e2,x4) & Actor(e2,x3) & v_hit(e2) & n_female(x3) & card_eq_1(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_volleyball(x2) & n_female(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outside(x2))