Duo Volleyball teams compete in a beach match.
The teams are playing a sport
The teams playing a sport is playing volleyball.
exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & n_match(x4) & of(x4,x5) & n_beach(x5) & Actor(e1,x1) & v_compete(e1) & n_team(x1) & (x1 = x3) & ne_nam_volleyball(x3) & (x1 = x2) & ne_nam_duo(x2))
exists e1 x1 x2.(n_team(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_sport(x2))