The woman jumps to hit the blue and white volleyball before it lands in the sand.
The woman is trying to keep the ball from hitting the ground
Before it lands in the sand means she is trying to keep the ball from hitting the ground.
exists e1 p1 s1 s2 x1 x2 x3.(n_sand(x3) & n_thing(x2) & n_volleyball(x2) & a_white(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1) & Topic(e1,p1) & Actor(e1,x1) & v_jump(e1) & exists e2 p2.(exists e3.(in(e3,x3) & Actor(e3,x2) & v_land(e3)) & before(e2,p2) & Theme(e2,x2) & Actor(e2,x1) & v_hit(e2)))
exists e1 p1 x1 x2 x4.(n_ground(x4) & n_ball(x2) & n_woman(x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 e3 x3.(from(e2,e3) & Theme(e3,x4) & Actor(e3,x3) & v_hit(e3) & Theme(e2,x2) & Actor(e2,x1) & v_keep(e2)))