A woman in a pink shirt and knee pads is playing volleyball.
A professional volleyball player is practicing.
A woman playing volleyball is not always a professional nor necessarily practicing.
exists e1 s1 x1 x2 x3 x4 x5 x6.(Theme(e1,x6) & Actor(e1,x1) & v_play(e1) & n_volleyball(x6) & in(x1,x2) & subset_of(x4,x2) & n_pad(x4) & of(x4,x5) & n_knee(x5) & subset_of(x3,x2) & n_shirt(x3) & a_pink(s1) & Theme(s1,x3) & n_woman(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_practice(e1) & n_player(x1) & of(x1,x2) & n_volleyball(x2) & a_professional(s1) & Theme(s1,x1))