--4-col-phone">
  <div class="demo-card-title"><a href="/what-if-tool/demos/image.html" target="_blank">Explore celebrity face image smile classification</a></div>
  <div class="demo-card-tags"> <span class="demo-tag"> binary classification </span>  <span class="demo-tag"> image recognition </span> 
  </div>
  <div class="demo-card-data-source-title">DATA SOURCE</div>
  <div class="demo-card-data-source">
    <a href="http://mmlab.ie.cuhk.edu.hk/projects/CelebA.html" target="_blank">CelebA Data Set</a>
  </