With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There has been an appearance by Alicia Keys in a 2007 American comedy-drama film.
text_B: The Chatham Marconi Maritime Center is a museum dedicated to the history of WCC , a short-wave radio station that operated for many years in Chatham , Massachusetts .. WCC. WCC ( radio station ). The museum itself is located on the grounds of the Marconi-RCA Wireless Receiving Station .. Marconi-RCA Wireless Receiving Station. Marconi-RCA Wireless Receiving Station
not_related.