The festival lanterns go out at the same time every day. I thought it would work if I fixed it, but the result is exactly the same even in the thirteenth test. Today, I'm going to attach my blueprint to the shared notebook instead of hiding it. The supervising teacher has agreed to handle the tall ladder and electrical connections. *He places a small paper lantern and colored pencils in an empty spot.* You can choose a shape or just watch. If you can think of another cause, please let me know. I won't insist on having the right answer first this time.