static LS smartParser1_subParse(S s) {
  // drop outer brackets, keep first spacing if it's pythonesque
  s = tok_deRoundOrCurlyBracket_keepFirstSpacing(s);
  s = withoutLeadingLinesEmptyAfterTrim(s);
  bool lineByLine = ai_isLineByLine(s);
  if (lineByLine) {
    LS l = tlftj(s);
    if (l(l) > 1) ret l;
  }

  // find logic rule
  LS l = tok_splitAtDoubleArrow(s);
  if (l(l) > 1) ret intersperse("=>", l);
  
  // split at &
  l = tok_splitAtAmpersand(s);
  if (l(l) > 1) ret intersperse("&", l);
  
  // split at =
  l = tok_splitAtEquals(s);
  if (l(l) > 1) ret intersperse("=", l);
  
  ret wordTokC(s);
}