text: "use strict";
  
  var secret = require('../credential')
    .auth.relationship;
  
  var watson = require('watson-developer-cloud');
  
  var relationship_extraction = watson.relationship_extraction({
    username: secret.username,
    password: secret.password,
    version: 'v1-beta'
  });
  
  // relationship_extraction.extract({
  //     text: 'IBM Watson developer cloud',
  //     dataset: 'ie-en-news'
  //   },
  //   function (err, response) {
  //     if(err)
  //       console.log('error:', err);
  //     else
  //       console.log(JSON.stringify(response, null, 2));
  //   });
  