*Paper abstract**</span>

<span class="sd">    *We introduce a new language representation model called BERT, which stands</span>
<span class="sd">    for Bidirectional Encoder Representations from Transformers. Unlike recent</span>
<span class="sd">    language representation models, BERT is designed to pre-train deep</span>
<span class="sd">    bidirectional representations from unlabeled text by jointly conditioning on</span>
<span class="sd">    both left and right context in all layers. As a result, th