<?xml version="1.0"?>
<sparql xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
	xmlns:xs="http://www.w3.org/2001/XMLSchema#" xmlns="http://www.w3.org/2005/sparql-results#">
	<head>
		<variable name="friend" />
	</head>
	<results>
		<result>
			<binding name="friend">
				<uri>http://example.org/ringo</uri>
			</binding>
		</result>
		<result>
			<binding name="friend">
				<uri>http://example.org/john</uri>
			</binding>
		</result>
	</results>
</sparql>
