A group of people wearing hats walk on a rocky beach.
The women are playing volleyball.
Playing volleyball does not mean to walk on a rocky beach.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_wear(e2) & on(e1,x6) & n_beach(x6) & a_rocky(s1) & Theme(s1,x6) & Theme(e1,x5) & v_walk(e1) & (x4 = x5) & n_hat(x4) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_volleyball(x2))