How does gta v depict the relationship between the three protagonists?

The only verified information available in the supplied source is about Grand Theft Auto Online, the online multiplayer component of Grand Theft Auto V. It describes the game's release dates, platforms, and open-world environment. No details are given regarding the narrative, characters, or their relationships in the main story of Grand Theft Auto V. Therefore, based solely on the provided evidence, we cannot answer how the game depicts the relationship between the protagonists.