With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sian Brooke was in a television series.
text_B: The 2009 Big Ten Conference Men 's Basketball Tournament was played between March 12 and March 15 , 2009 at Conseco Fieldhouse in Indianapolis , Indiana .. Conseco Fieldhouse. Conseco Fieldhouse. It was the 11th annual Big Ten Men 's Basketball Tournament .. The championship was won by Purdue who defeated Ohio State in the championship game .. Purdue. 2008-09 Purdue Boilermakers men's basketball team. Ohio State. 2008-09 Ohio State Buckeyes men's basketball team. As a result , Purdue received the Big Ten 's automatic bid to the NCAA Tournament .. Purdue. 2008-09 Purdue Boilermakers men's basketball team. NCAA Tournament. 2009 NCAA Men's Division I Basketball Tournament. The win marked Purdue 's first tournament championship in only their second appearance .. Purdue. 2008-09 Purdue Boilermakers men's basketball team
not_related.