A girl dances with adults in the sand.
They are outside.
Girl and adults are "They", and "sand" refers to being outside.
exists e1 x1 x2 x3.(n_sand(x3) & with(e1,x2) & in(x2,x3) & n_adult(x2) & Actor(e1,x1) & v_dance(e1) & n_girl(x1))
exists s1 x1.(n_thing(x1) & Theme(s1,x1) & a_outside(s1))