A tennis match is in progress with ball chasers on the sidelines with an audience in the background.
A man and woman are playing tennis.
A tennis match is usually two opponents of the same sex or mixed doubled with two men and two women.
exists p1 x1 x2 x6 x8.(n_background(x8) & n_sideline(x6) & exists x3 x4 x5 x7.(in(x1,x3) & with(x3,x7) & in(x7,x8) & n_audience(x7) & on(x3,x6) & with(x3,x4) & n_chaser(x4) & of(x4,x5) & n_ball(x5) & n_progress(x3)) & n_match(x1) & of(x1,x2) & n_tennis(x2))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_tennis(x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))