span></span></span>
<span><span class="co">## <span style="color: #BCBCBC;"> 1</span> pid     <span style="color: #949494;">"</span>mom<span style="color: #949494;">"</span>     <span style="color: #949494;">"</span>dad<span style="color: #949494;">"</span>     M    </span></span>
<span><span class="co">## <span style="color: #BCBCBC;"> 2</span> sib     <span style="color: #949494;">"</span>mom<span style="color: #949494;">"</span>     <span style="color: #949494;">"</span>dad<span style="color: #949494;">"