Three children, one girl and two boys are in the bathing suits at a beach in the sand, with a wave crashing behind them and at least one ship in the distance.
The three children are all siblings.
Not all children at the beach are siblings.
exists e1 e2 p1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11.(n_distance(x9) & n_thing(x5) & n_sand(x5) & n_suit(x10) & of(x10,x11) & n_bathing(x11) & in(e1,x9) & behind(e1,x7) & subset_of(e2,x7) & a_at(e2) & Actor(e2,x8) & v_least(e2) & n_ship(x8) & card_eq_1(x8) & subset_of(x5,x7) & Actor(e1,x6) & v_crash(e1) & with(p1,x6) & n_wave(x6) & in(p1,x5) & exists x12.(in(x1,x10) & at(x10,x12) & n_beach(x12)) & rel(x1,x2) & subset_of(x4,x2) & n_boy(x4) & card_eq_2(x4) & subset_of(x3,x2) & n_girl(x3) & card_eq_1(x3) & n_child(x1) & card_eq_3(x1))
exists p1 x1.(n_child(x1) & card_eq_3(x1) & all x2.(n_sibling(x2) -> (x1 = x2)))