Common Sense vs. Morality: The Curious Case of Narrative Focus Bias in LLMs

Researchers have identified a critical flaw in Large Language Models (LLMs) where they prioritize moral reasoning over commonsense understanding, struggling to detect logical contradictions within moral dilemmas. The study introduces the CoMoral benchmark and reveals a 'narrative focus bias' where LLMs better identify contradictions attributed to secondary characters rather than primary narrators.