Q: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Constantina was proclaimed an Augusta while both Sophia and Anastasia also kept the same title. John of Ephesus mentions all three Augustas residing in the Great Palace. Anastasia was the first of the three ladies to die. Theophanes places her death in 593. Constantina seems to have enjoyed better relations with Sophia than _her_ mother did. <sep>, Pronoun: her
A:
Constantina