title: Returning String with Express post
body: <p>I have this <em>app.js</em> file:</p>
  
  <pre><code>let express = require('express')
  let app = express()
  let Clarifai = require('clarifai')
  
  app.use(express.urlencoded({extended: true}))
  app.use(express.static('./public'))
  let link = app.post('/route', (req, res) =&gt; {
      let linkString = req.body.link
      res.send(JSON.stringify(linkString))
  })
  
  app.listen(3000)
  
  const capp = new Clarifai.App({
      apiKey: 'MyAPIKeyIsHere'
     });
  
  predict = capp.models.initModel({id: Clarifai.FOOD_MODEL, version: "aa7f35c01e0642fda5cf400f543e7c40"})
        .then(generalModel =&gt; {
          return generalModel.predict(link)
        })
        .then(response =&gt; {
          var concepts = response['outputs'][0]['data']['concepts']
          console.log(concepts)
  })
  
  console.log('Express app running on port 3000')
  console.log(link)
  </code></pre>
  
  <p>I am trying to return a string from the <code>app.post</code> method but it returns a <em>JSON</em> file. How should I do it exactly?</p>