<?xml version="1.0"?>
<grammar xmlns="http://www.w3.org/2001/06/grammar" xml:lang="en-US" version="1.0" mode="voice" root="digit">
<rule id="digit">
<one-of>
<item>one</item>
<item>two</item>
<item>three</item>
</one-of>
</rule>
</grammar>