https://headlines.yahoo.co.jp/hl?a=20170316-00000007-wordleaf-soci

https://headlines.yahoo.co.jp/hl?a=20170324-00000046-san-l11

https://news.yahoo.co.jp/byline/sonodahisashi/20170324-00069054/

http://mainichi.jp/articles/20170324/k00/00e/040/255000c

http://www.asahi.com/articles/ASK3S3QQ6K3STIPE00N.html