d</span>

<span class="sd">        Returns:</span>
<span class="sd">            float: similarity score</span>

<span class="sd">        &quot;&quot;&quot;</span>
        <span class="n">encoded</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_model</span><span class="o">.</span><span class="n">encode</span><span class="p">([</span><span class="n">sent_a</span><span class="p">,</span> <span class="n">sent_b</span><span class="p">])</span>
        <span cla