!759

static S rules = [[

  case-insensitive
  
  if the available commands are <cmdlist>, which command is <quoted> likely to mean? = question
  
  <quoted> = cmd
  <cmd> = cmdlist
  <cmd> <and> <cmdlist> = cmdlist
  , = and
  and = and
  
]];

p {
  O parser = newParser();
  setOpt(parser, "debug", true);
  S input = [[If the available commands are "load", "save" and "quit", which command is "q" likely to mean?]];
  O parseResult = call(parser, "parse", input, rules);
  printStructure(call(parseResult, "explain", "question"));
}