sclass EnglishNumberAttractor > PartialAttractor {
  S value; // number as string, e.g. "22"
  
  public bool find() {
    for (int i = 1; i < l(tok); i += 2) {
      int j = i+1;
      S s;
      while (j < l(tok) && nempty(s = parseEnglishNumbers(joinSubList(tok, i, j+1)))) {
        value = s;
        j += 2;
      }
      if (j > i+1)
        ret true with matchedRange = intRange(i, j-2);
    }
    false;
  }
}