How do the characters in "Lamb to the Slaughter" make choices based on what they think is right or wrong? What does this tell us about how different people have their own ideas of what's good and bad?

In the story, how do different characters see things in their own way? How does this show that what we know can change depending on who's looking at it?

How does "Lamb to the Slaughter" use unexpected twists to make us think differently about the story? What does this teach us about how stories can surprise us and change our understanding of things?