```dart
Future<void> savePostAndComment() async {
  final post = Post(
    title: 'My Post with comments',
    rating: 10,
    status: PostStatus.ACTIVE,
  );
  final comment = Comment(
    post: post, // Directly pass in the post instance
    content: 'Loving Amplify DataStore!',
  );

  await Amplify.DataStore.save(post);
  print('Post saved');
  await Amplify.DataStore.save(comment);
  print('Comment saved');
}
```