Question: Are Svetlana Kuznetsova and Alex O'Brien both retired?
Sentence (from "Rossana de los Ríos"): De los Ríos played doubles with Grand Slam champions such as Maria Sharapova, Svetlana Kuznetsova, Arantxa Sánchez Vicario, as well as Jelena Janković and Dinara Safina.
Relevant evidence: No