Why did Venom eat Carnage?

Could you elaborate on the context surrounding the question of "Why did Venom eat Carnage?" in the realm of Marvel Comics? Is this a reference to a specific storyline or event where these two symbiotes clashed, and if so, what motivated Venom to consume Carnage? Was it a matter of self-preservation, an attempt to gain more power, or perhaps a deeper, emotional conflict between them? Understanding the underlying motivations and narrative behind this action would help clarify the question and provide a more accurate response.