title: Definition of simplified tags in NLP?
body: <p>I'm having trouble trying to find a good resource that would tell me what simplified tags in <code>NLP</code> mean. I understand that you can use:</p>
  
  <pre><code>nltk.help.upenn_tagset()
  </code></pre>
  
  <p>to help determine what the tags mean if we are using unsimplified version of tagging; however, I can't find a resource for the simplified version.</p>
  
  <p>I really am only working with:</p>
  
  <pre><code>PRON
  VERB
  NOUN
  DET
  ADJ
  ADV
  PRT
  ADP
  CONJ
  NUM
  </code></pre>
  
  <p>I can obviously get what some of these mean, but am having trouble with others (i.e. <code>PRT</code>...etc.)</p>
  
  <p>Can anyone help point me to a resource in defining these tags?</p>