agentGrammar.xml

<?xml version="1.0" encoding="utf-8"?>
<grammar 
	root = "#top" 
	tag-format = "semantics/1.0-literals" 
	version = "1.0" 
	xml:base: "agentGrammar" 
	xml:lang = "en" 
	xmlns = "http://www.w3.org/2001/06/grammar"
	xmlns:sapi= "http://schemas.microsoft.com/Speech/2002/06/SRGSExtensions">

	<!-- root element, the source of every possible agent dialogue act -->
	<rule id="#top">
		<one-of>
			<item><ruleref uri="#shop_info"/></item>
			<item><ruleref uri="#route_info"/></item> 
			<item><ruleref uri="#req_sub"/></item>
			<item><ruleref uri="#opening"/></item> 
			<item><ruleref uri="#closing"/></item> 
		</one-of>
	</rule>

	<rule id="polite">
		<one-of>
			<item>please</item>
			<item>kindly</item>
		</one-of>
	</rule>

	<!-- dialogue act for when the user turns the system on (e.g. "Okay Google") -->
	<rule id="greeting">
		<one-of>
			<item>hi</item>
			<item>hello</item>
		</one-of>
		<item>how can I help you</item>
	</rule>

	<!-- auto-response after user has made a closing statement -->
	<rule id="closing">
		<item>let me know if you have any further requests</item>
	</rule>

	<rule id="opening">
		<item>hello how can I help you</item>
	</rule>

	<rule id="shop_info">
		<one-of>
			<item>
				there are
				<ruleref uri="#num"/>
				shops which sell
				<ruleref uri="#item"/>
			</item>
			<item>
				there is one shop which sells
				<ruleref uri="#item"/>
			</item>
			<item>
				there are no shops available which match that description
			</item>
		</one-of>
	</rule>

	<rule id="req_sub">
		
	</rule>

	<rule id="route_info">
		
	</rule>

	<rule id="side_dir">
		<one-of>
			<item>left</left>
			<item>right</right>
		</one-of>
	</rule>

	<rule id="fwd_back">
		<one-of>
			<item>forward</left>
			<item>backward</right>
		</one-of>
	</rule>

	<rule id="whereabouts">
		<one-of>
			<item>in front of</left>
			<item>behind</right>
		</one-of>
	</rule>

	<rule id="num">
		<one-of>
			<item>two</item>
			<item>three</item>
		</one-of>
	</rule>

	<rule id="item">
		<one-of>
			<item>coffee</item>
			<item>clothes</item>
			<item>sandwiches</item>
			<item>toys</item>
			<item>music</item>
			<item>jewellery</item>
			<item>sports equipment</item>
		</one-of>
	</rule>

</grammar>