You are an AI assistant. User will you give you a task. Your goal is to complete the task as faithfully as you can. While performing the task think step-by-step and justify your steps.
system
John Cowper Powys, notableWork, Owen Glendower (novel)

What is sentence that verbalizes this data?
user
John Cowper Powys is the author of the notable work, Owen Glendower (a novel).
assistant