The moral could be about making difficult choices. In the story, the black and white pebbles often represent two opposing options or situations. It might teach that even in a seemingly unfair situation, one can find a way to make the best out of it through clever thinking and courage.
Well, in most renditions of the black and white pebbles story, there is a central figure, let's call him the 'pebble - picker'. This person is at the heart of the story as they are the one presented with the choice of the black and white pebbles. There is often also a figure who is in a position of advantage or control, like a creditor or a landlord. This character creates the situation where the pebble - picker has to make the choice. Sometimes, there can be a third character, such as a wise old man or a kind neighbor, who offers some kind of guidance or perspective to the pebble - picker during the course of the story.
Well, the '2 black pebbles story' could be a story centered around two black pebbles. It could be that these pebbles are special in some way. They might be magical pebbles that hold the key to a mystery in the story. Perhaps they are found by a character who is on a journey, and the discovery of these two black pebbles changes the course of their adventure. Or it could be a story about a competition where the two black pebbles are used as tokens. But again, this is all speculation without knowing the actual details of the story.
Since I don't know the specific '2 black pebbles story', I can't say for sure who the main characters are. It could be a young child who discovers the pebbles, or perhaps an old wise man who knows their significance.
I don't think it's a true story. Usually, such characters and tales are created in the realm of imagination to capture people's interest and maybe teach some lessons.
The Sand Pebbles is mainly a creation of the author's imagination. It might draw inspiration from real-life elements but is not a factual account of an actual occurrence.
The story of 'Sand Pebbles' is a mix. While it may have roots in reality, it incorporates fictional elements to make it more engaging and cinematic. So, it's not a straightforward true story.