Fishermen on the beach organize their nets.
People on the beach.
The "people on the beach" refers to the fishermen on the beach.
exists e1 x1 x2 x3.(n_net(x3) & of(x3,x2) & n_thing(x2) & n_beach(x2) & Theme(e1,x3) & Actor(e1,x1) & v_organize(e1) & on(x1,x2) & n_fisherman(x1))
exists x1 x2.(n_beach(x2) & a_topic(x1) & on(x1,x2) & n_people(x1))