<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text" encoding="utf-8"/>
<xsl:template match="/">
<xsl:apply-templates select="//p"/>
</xsl:template>
<xsl:template match="p">
<xsl:for-each select="item">
<xsl:if test="(a[4] = 'NOUN' or a[4] = 'PROPN') and following-sibling::item[1]/a[4] = 'ADP' and (following-sibling::item[2]/a[4] = 'NOUN' or following-sibling::item[2]/a[4]='PROPN') and following-sibling::item[3]/a[4]='ADP'">
<xsl:value-of select="concat(a[2], ' ',following-sibling::item[1]/a[2], ' ', following-sibling::item[2]/a[2], ' ', following-sibling::item[3]/a[2])"/>
<xsl:text>
</xsl:text>
</xsl:if>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>