What is the answer to puzzle 28 in Professor Layton and the Sceptres Call?

In puzzle 28 of Professor Layton and the Sceptre's Call, the answer involves figuring out the correct number of connections in a given scenario. The solution typically requires logical reasoning based on the clues provided in the puzzle. For the exact answer, players often need to analyze the specific details presented in the puzzle. If you need the precise answer or further clarification, I recommend checking a dedicated puzzle guide or walkthrough for that game.