Background: Some of the leading art groups of China are based in Nanjing; they include the Qianxian Dance Company, Nanjing Dance Company, Jiangsu Peking Opera Institute and Nanjing Xiaohonghua Art Company among others.
Question: Name two dance groups that are based in Nanjing:
Answer:<extra_id_0>.
<extra_id_0> the Qianxian Dance Company, Nanjing Dance Company<extra_id_1>