feat(bisaya): update choice exercise question format and add question number to review

backend/scripts/create-bisaya-course-content.js

@@ -529,6 +529,14 @@ function buildChoiceExercise(lesson, didactics, pattern, allPatterns, variant =
   const seed = simpleHash(`${lesson.title}:${pattern}:${variant}`);
   const options = rotateArray([pattern, ...distractors], seed % 4);
   const correctAnswer = options.indexOf(pattern);
+  const normalizedPattern = normalizeCorePatternEntry(
+    didactics.corePatterns.find((entry) => corePatternTarget(entry) === pattern)
+  );
+  // A free speaking prompt can have several valid answers. It must never be
+  // used as the question for a single-answer multiple-choice exercise.
+  const question = normalizedPattern?.gloss
+    ? `Wie sagt man auf Bisaya: „${normalizedPattern.gloss}“?`
+    : getChoiceQuestion(lesson, didactics);
 
   return {
     exerciseTypeId: 2,
@@ -536,7 +544,7 @@ function buildChoiceExercise(lesson, didactics, pattern, allPatterns, variant =
     instruction: 'Wähle die natürlichste Formulierung für die Situation oder den Schwerpunkt der Lektion.',
     questionData: {
       type: 'multiple_choice',
-      question: getChoiceQuestion(lesson, didactics),
+      question,
       options
     },
     answerData: {