Read the excerpt from "Object Lesson, Part 1."

"Well, if it's a real live crime," he said, turning to Louise, "I don't imagine anyone wants to hear me ramble on about crimes that are dead and buried. In fact, I think it would be more interesting if I gave the class a demonstration of how a crime is actually solved. What do you think, Miss Carpenter?"

Understanding leaped into her eyes, along with hope.

This information supports the prediction that Ellery will

work to solve the class’s crime.
discuss crimes that happened in the past.
feel nervous in front of the class.
determine that the crime is not real.