Ambassador of %castleName%:
My master is the ruler of %castleName% Castle, renowned throughout the world for his wisdom and strength. To you who have gained possession of this fortress, he sends these words: "Prove your loyalty to the castle with this contract!"
Unless you do so, my lord will know that your loyalty is suspect. Make your decision!

"Very well, I will sign the contract."
"I need no help from people like you!"