Assertion: anna's sister | /r/HasProperty | catherine
Facets:
Source sentences:
text: Although Anna was the fourth child of her parents, she had only one surviving elder sister, Catherine, and one younger sister, Praskovia.
text: She was selected in preference to her elder sister Catherine even though Catherine was at that time resident in Russia whereas Anna was not.
text: Among those who urged Anna to do so was her elder sister Catherine.