Conan: Who sent you this card? Mr. A: My friend Lily. Conan: Where should we put the star? Mr. B: A toy car. Conan: What do you buy? Mr. C: I buy a Chinese lantern. Conan: When was Jesus born? Mr. D: On December twenty-fifth. Conan: How many gifts do you have? Mr. E: On top of the tree. 真正的兇手是: ______________________________。