Five men sitting with a body of water behind them.
The friends are enjoying the beach.
Just because five men are sitting by the water does not make them friends and water behind them does not constitute a beach.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & behind(x3,x1) & n_thing(x1) & of(x3,x4) & n_water(x4) & n_body(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_5(x1))
exists e1 x1 x2.(n_beach(x2) & n_friend(x1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1))