!7

sS text = [[
The playing field has a size of 8 times 8.
The columns are labelled from A (from the left), the rows are labelled from 1 (from the top).
What is the label of the third column from the left?
]];

static Map<S, O> enablerMap = litorderedmap(
  "The columns are labelled from A (from the left)", f columnsLabelledFromA);

static S columnsLabelledFromA(S s) {
  new Matches m;
  if "What is the label of the * column from the left?" {
    Int i = ai_indexToNr($1);
    if (i != null)
      ret charPlus('A', -1);
  }
  null;
}

static new LinkedHashSet enabledFunctions;

p {
  L<S> sentences = sentences(text);
  printAsciiHeading("Sentences");
  pnl(sentences);
  for (S s : sentences)
    addAll(enabledFunctions, lookupAllByNLMatch(enablerMap, s));
  print("Functions: " + enabledFunctions);
}