6. part a: how do the siblings' reactions to their mother's
letters contribute to the theme of the text?

the siblings are shocked, contributing to the theme that
people are not always as they seem.
the siblings are angered after learning about their real
father, contributing to the theme that it is best to be
honest with others.
the brother condemns their mother but the sister
sympathizes with her, contributing to the theme of
forgiving loved ones.
the siblings are shocked but still watch over their
mother, contributing to the theme that it is best to be
loyal to family.