FILE - In this March 19, 2013 file photo, Zhang Zefang, a 94-year old woman who sued her own children for not taking care of her, left, and Kuang Shiying, Zhang's daughter-in-law, speak to each other at her house in Fusheng Village, east of Chongqing City, China. Zhang has accused Kuang of abusing her and locking her in a lightless room for hours on end - accusations Kuang denies. (AP Photo/Eugene Hoshiko)