Answer:
Answer explained below:Step-by-step explanation:
It seems like an intriguing story involving the theft of Crown Jewels and a challenge for someone with excellent knowledge of grammar and spelling to solve puzzles and challenges in order to locate the stolen jewels.
Now, as mentioned in the text, there is a sentence fragment that needs to be found.
Let's identify the fragment and determine the code:
"The note cryptically stated that only someone with excellent knowledge of grammar and spelling would succeed."
The sentence fragment appears to be: "The note cryptically stated that only someone with excellent knowledge of."
Now, counting letters 9-14:
Code: "crypti"
If you have any further instructions or questions, feel free to let me know.