Literal question
<svar a="all" v="SV07A039">2. What material are most of the walls made of?<br /><div class="i1">[] 1 Concrete or mixed [<span class="lang">mixto</span>]<br />[] 2 Wattle and daub<br />[] 3 Adobe<br />[] 4 Wood<br />[] 5 Metal laminate [<span class="lang">lámina metálica</span>]<br />[] 6 Straw, palm or other vegetable matter<br />[] 7 Discarded materials<br />[] 8 Other</div><br /></svar>