Three people sitting in the sand on a beach.
people are by the ocean
Beach and ocean can be used interchangeably.
exists e1 x1 x2 x3 x4.(n_sand(x3) & a_topic(x1) & on(e1,x4) & n_beach(x4) & in(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1 x2.(n_ocean(x2) & by(x1,x2) & n_people(x1))