{ for $element in doc("sortie-treetagger-3214.txt.xml")//element let $patron:= concat($element/data[3]," ",$element/following-sibling::element[1]/data[3]," ",$element/following-sibling::element[2]/data[3]) where starts-with($element/data[1],'ADJ') and starts-with($element/following-sibling::element[1]/data[1],'PRP') and starts-with($element/following-sibling::element[2]/data[1],'NOM') return ({$patron}) }