pan class="p">[]</span>

        <span class="k">if</span> <span class="n">return_surface</span><span class="p">:</span>
            <span class="n">analyzed</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">pos</span><span class="p">(</span><span class="n">sent</span><span class="p">)</span>
        <span class="k">else</span><span class="p">:</span>
            <span class="n">analyzed</span> <span class