{ for $art in doc("Bao2_3210")//article for $elt in $art/element let $nextElt := $elt/following-sibling::element[1] let $nextElt2 := $elt/following-sibling::element[2] where $elt/data[1] = "VER:infi" and $nextElt/data[1] = "DET:ART" and $nextElt2/data[1] = "NOM" return {$elt,$nextElt,$nextElt2} }