Composer : music or song.
Unfortunately, there are no choices given in this item, however, it is important to note that we are given phrases which contain the word,
"you are old grandpa Willian the young man said"
The proper punctuation for this given item should be,
"You are old, Grandpa", William, the young man, said.
Sir Henry Baskerville - The late Sir Charles's nephew and closet living relative. Sir Henry is hale and hearty, described as "a small, alert, dark-eyed man about thirty years of age, very sturdily built." By the end of the story, Henry is as worn out and shell-shocked as his late uncle was before his death.