user
Read the following article and answer the question.
Article: There is a girl. Her name is Chen Rong. She's a student in Grade Four at Jiajiao Primary School  in Chongqing. Teachers and students all like her, because  this eleven-year-old girl studies very well and she is very diligent . Every day she is the first one to come to the classroom and clean  the classroom.
At home Chen Rong is a filial  girl. There's something wrong   with her mother's eyes so Chen Rong cooks for her parents every morning. There's something with her father's left hand . After school Chen Rong works in the _ with him. She hasn't got time to play. She says she is her father's left hand and her mother's eyes.
Question: There is something wrong with Chen Rong's mother's  _  .
Answer:
assistant
The article mentions that there is something wrong with Chen Rong's mother's eyes.