Little girl with pigtails on the beach.
Everyone is sitting on carpet.
If a little girl is sitting, it does not mean everyone is sitting, and if you are sitting on a beach, it does not mean you are sitting on a carpet.
exists s1 x1 x2 x3.(n_beach(x3) & a_topic(x1) & with(x1,x2) & on(x2,x3) & n_pigtail(x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
all x1.(n_person(x1) -> exists e1 x2.(on(e1,x2) & n_carpet(x2) & Actor(e1,x1) & v_sit(e1)))