This first chapter is appropriately titled "Mr. Sherlock Holmes," as it introduces us to the great detective, while describing his abilities, and comparing him to Dr. Watson. Watson serves as Holmes' chronicler throughout the Sherlock Holmes series, but he does more than that.
What activity do you like to do or hobbies and maybe that’s what you want to do as a living. Then right down notes what is acquired for the job. Lastly do a paragraph on how you would be perfect for the job. Hope this helped!
Either ideas or inventions, but based on the phrasing, it's most likely inventions