{ 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] let $nextElt3 := $elt/following-sibling::element[3] where $elt/data[1] = "PRP" and $nextElt/data[1] = "DET:ART" and $nextElt2/data[1] = "NOM" and $nextElt3/data[1] = "PRP" return {$elt,$nextElt,$nextElt2,$nextElt3} }