People climb on a structure near water.
People are sitting around drinking beer.
Someone cannot climb and be sitting simultaneously.
exists x1 x2 x3 x4.(a_topic(x1) & near(x1,x4) & n_water(x4) & on(x1,x3) & n_structure(x3) & n_climb(x1) & of(x1,x2) & n_people(x2))
exists e1 x1 x2 x3.(around(e1,x2) & n_beer(x2) & of(x2,x3) & n_drinking(x3) & Actor(e1,x1) & v_sit(e1) & n_people(x1))