With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Cleopatra speaks Egyptian, an ancient language, that dates back to ancient Egypt.
text_B: City of Bones is the first urban fantasy book in author Cassandra Clare 's New York Times bestselling series The Mortal Instruments .. Cassandra Clare. Cassandra Clare. The Mortal Instruments. The Mortal Instruments. urban fantasy. urban fantasy. New York Times. New York Times Best Seller list. The novel is set in modern day New York City and has been released in several languages , including Bulgarian , Dutch , Hungarian , Hebrew , Swedish , Norwegian , German , Serbian , Italian , French , Polish , Portuguese , Romanian , Spanish , Chinese , Japanese , and Turkish .
not_related.