Read this excerpt from Anne Frank Remembered.

ElIi gave me a frightened look. I nodded my agreement with Koophuis. She took the wallet and dashed out the door.

Mr. Koophuis locked eyes with me and said, "Miep, you can also leave."

"I can't," I responded. It was true. I couldn't.

Which theme can be inferred from this passage?

Heroes help others despite personal risks.
Miep is unwilling to leave with Elli.
Elli is brave despite her fears.
People help their friends overcome fears.