A man in red shorts jumps behind a volleyball net.
A person is in a sand pit playing with a ball.
We can only can assume that he is playing volleyball, but it can be on a hardwood floor and not a sand pit.
exists e1 s1 x1 x2 x3 x4.(behind(e1,x3) & n_net(x3) & of(x3,x4) & n_volleyball(x4) & Actor(e1,x1) & v_jump(e1) & in(x1,x2) & n_shorts(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(exists e1 x2 x3 x4 x5.(in(x1,x2) & with(e1,x5) & n_ball(x5) & Actor(e1,x4) & v_play(e1) & (x2 = x4) & n_pit(x2) & of(x2,x3) & n_sand(x3)) & n_person(x1))