With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Helen Mirren has performed in different cities.
text_B: SB Nation Radio is a sports radio network that is distributed by Gow Media .. SB Nation. SB Nation. sports radio. sports radio. network. Radio network. It is affiliated with the sports blog network SB Nation .. SB Nation. SB Nation. network. Radio network. SB Nation Radio supplies its network affiliates with a 24-hour schedule of sports programming , including call-in shows and sports updates .. SB Nation. SB Nation. network. Radio network. Over its history , SB Nation Radio has gone by the names Yahoo! Sports Radio , Sporting News Radio , and One-on-One Sports .. Sports. Sports radio. SB Nation. SB Nation. Yahoo! Sports. Yahoo! Sports. Sporting News. Sporting News
not_related.