question: what does Weihui and Weinan have in common?
answer: China
context: Title: Weinan
  Passage: Weinan () is a prefecture-level city in the east of Shaanxi province, China.  The city lies about 60 km east of the provincial capital Xi'an.
  Title: Weihui
  Passage: Weihui (), formerly Jixian or Ji County (), is a county-level city in Henan, China.  It is under the administration of the prefecture-level city of Xinxiang.  The city has an area of 882 km² and a population of 480,000.
citations: Weinan Weihui