A man playing tennis.
A man playing
Playing informs us that tennis is being played.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_tennis(x3) & (x1 = x2) & n_man(x1))
exists x1 x2.(a_topic(x1) & n_playing(x1) & of(x1,x2) & n_man(x2))