One girl is standing with her back towards us, with another girl sitting down next to her, both looking out toward the water.
A woman and her sister are reflecting about their lives as they are mesmerized by the water.
Woman and her sister does not infer that they are one girl with another girl who are reflecting about their lives  or mesmerized by the water if they are both looking out toward the water.
exists e1 e3 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_water(x6) & a_out(s2) & Manner(e3,s2) & toward(e3,x6) & Actor(e3,x2) & v_look(e3) & with(e1,x2) & to(e2,x2) & rel(x2,x5) & n_thing(x5) & n_female(x2) & n_female(x2) & r_next(e2) & a_down(s1) & Manner(e2,s1) & Actor(e2,x4) & v_sit(e2) & (x2 = x4) & n_girl(x2) & -(x2 = x1) & n_girl(x1) & n_girl(x1) & with(e1,x3) & towards(x3,x1) & n_person(x1) & n_back(x3) & of(x3,x2) & Actor(e1,x1) & v_stand(e1) & card_eq_1(x1))
exists e1 p1 x1 x2 x3 x4 x5.(n_water(x5) & exists e2.(Actor(e2,x5) & Theme(e2,x2) & v_mesmerize(e2)) & n_thing(x2) & n_thing(x2) & as(e1,p1) & Theme(e1,x4) & Actor(e1,x1) & v_reflect(e1) & r_about(x4) & n_life(x4) & of(x4,x2) & subset_of(x3,x1) & n_sister(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_woman(x2))