<http://schema.org/headline>
"\u300C\u6838\u5148\u5236\u4E0D\u4F7F\u7528\u300D\u306B\u53CD\u5BFE\u610F\u5411   \u5B89\u500D\u664B\u4E09\u9996\u76F8\u3001\u7C73\u8ECD\u53F8\u4EE4\u5B98\u306B\u4F1D\u3048\u308B"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.jp/2016/08/16/no-first-use-policy_n_11538908.html>