Literal question
<span class="h1">Dwelling</span></p>
<p>16. Sewage disposal system</p>
<div class="i1">There is a sewage disposal system<br /><br />[] 1 Connected to a public sewage disposal plant<br />[] 2 Connected to private sewage disposal plant<br />[] 3 Another situation<br />[] 4 No sewage disposal system</div>