<?xml version="1.0" encoding="utf-8"?>
<!--
  This file is part of the OCW taxonomy, which is an extension on the Dutch taxonomy (NT, Nederlandse Taxonomie) 
  Intellectual Property of the State of the Netherlands, Ministry of Culture, Education and Science (OCW, Ministerie van Onderwijs, Cultuur en Wetenschap)
  Architecture: NT13.0 
  Version: 20190220.b
  Released by: Dienst Uitvoering Onderwijs (DUO)
  Release date: Fri Oct 26 09:17:55 CET 2018
-->
<link:linkbase xmlns:gen="http://xbrl.org/2008/generic" xmlns:label="http://xbrl.org/2008/label" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd http://xbrl.org/2008/label http://www.xbrl.org/2008/generic-label.xsd">
	<link:arcroleRef arcroleURI="http://xbrl.org/arcrole/2008/element-label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#element-label" xlink:type="simple"/>
	<link:roleRef roleURI="http://www.xbrl.org/2008/role/link" xlink:href="http://www.xbrl.org/2008/generic-link.xsd#standard-link-role" xlink:type="simple"/>
	<link:roleRef roleURI="http://www.xbrl.org/2008/role/label" xlink:href="http://www.xbrl.org/2008/generic-label.xsd#standard-label" xlink:type="simple"/>
	<gen:link xlink:role="http://www.xbrl.org/2008/role/link" xlink:type="extended">
		<gen:arc xlink:arcrole="http://xbrl.org/arcrole/2008/element-label" xlink:from="va-BR-OCW-WNT.S.1-durationperiod_loc" xlink:to="OCWWNT-BR-OCW-WNT.S.1-durationperiod_label_en" xlink:type="arc"/>
		<link:loc xlink:href="ocw-wnt-structure-rules-for.xml#va-BR-OCW-WNT.S.1-durationperiod" xlink:label="va-BR-OCW-WNT.S.1-durationperiod_loc" xlink:type="locator"/>
		<label:label id="OCWWNT-BR-OCW-WNT.S.1-durationperiod_label_en" xlink:type="resource" xlink:role="http://www.xbrl.org/2008/role/label" xlink:label="OCWWNT-BR-OCW-WNT.S.1-durationperiod_label_en" xml:lang="en">The periods of all contexts MUST be the duration of the current reporting year.</label:label>
	</gen:link>
</link:linkbase>