static void web_dropArticles(Web web) {
  for (WebNode node : web_nonRelationNodes(web)) {
    S text = node.text();
    S s = trim(dropPrefixIC("a ", text));
    if (eq(s, text))
      s = trim(dropPrefixIC("the ", text));
    if (neq(s, text))
      web_setText(node, s);
  }
}