nput and identifies the language used.' },
  function (err, language) {
    if (err)
      console.log('error:', err);
    else
      console.log(JSON.stringify(language, null, 2));
});</code></pre><h3>Natural Language Classifier</h3><p>Use <a href="http://www.ibm.com/smarterplanet/us/en/ibmwatson/developercloud/doc/nl-classifier/">Natural Language Classifier</a> service to create a classifier instance by providing a set of representative strings and a set of one or more correct classes for each as training