A man in a green shirt is playing volleyball.
A man playing volleyball in a tournament.
A man in a volleyball tournament doesn't necessarily suggest he is wearing a green shirt.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_volleyball(x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_tournament(x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_volleyball(x3) & (x1 = x2) & n_man(x1))