With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Maggie Smith hasn't appeared in any films.
text_B: The Australian Superkart Championship is a motor racing series run in Australia under the auspices of CAMS under their Superkart regulations .. motor racing. motor racing. CAMS. Confederation of Australian Motor Sport. Superkart. Superkart. The karts race on full-size Australian circuits and in 2013 the series was raced at Sydney Motorsport Park and Phillip Island Grand Prix Circuit .. Sydney Motorsport Park. Sydney Motorsport Park. Phillip Island Grand Prix Circuit. Phillip Island Grand Prix Circuit. As of 2007 the series has raced as part of the Shannons Nationals Motor Racing Championships .. Shannons Nationals Motor Racing Championships. Shannons Nationals Motor Racing Championships. The series is one of nine that enjoy full CAMS Australian Championship status .. CAMS. Confederation of Australian Motor Sport. National titles have also been run by other sanctioning organisations over the years as one-off events .
not_related.