> example :: VoiceTwiml
> example =
>   response $ do
>     say "Our store is located at 123 Easy St." def
>     sms "Store Location: 123 Easy St." $ def
>             & action .~ parseURL "/smsHandler.php"
>             & method .~ Just POST
>     end
>   where Twiml.Syntax{..} = def

>>> show example
<?xml version="1.0" encoding="UTF-8"?>
<Response>
  <Say>Our store is located at 123 Easy St.</Say>
  <Sms action="/smsHandler.php" method="POST">Store Location: 123 Easy St.</Sms>
</Response>