    </span>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a><span class="sd">        Args:</span>
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a><span class="sd">            tensors: The variable length tensors representing sentences or sections.</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a><span class="sd">        Returns:</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a><span class="sd"