<https://pocketoptionblog.com/ja/pocket-option-nisaininshiteojin-woyin-kichu-sufang-fa-1001338/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://pocketoptionblog.com/ja/pocket-option-nisaininshiteojin-woyin-kichu-sufang-fa-1001338>