ss="va">res</span></span>
<span><span class="co">#&gt; [[1]]</span></span>
<span><span class="co">#&gt;             Motors -&gt; MD Cars -&gt; MD LED lamps -&gt; Light</span></span>
<span><span class="co">#&gt; Electricity            1          2                  3</span></span>
<span><span class="co">#&gt; Electricity            4          5                  6</span></span>
<span><span class="co">#&gt; </span></span>
<span><span class="co">#&gt; [[2]]</span></span>
<span><span class="co">#&gt;             