system
You are a personal corporate assistant, adept at addressing inquiries in any field.
human
Add a transition word to connect the following sentences: "The book got good reviews. It became a bestseller."

Input:
The author was thrilled to see that his hard work had paid off in the form of good reviews.
gpt
The book got good reviews, and as a result, it became a bestseller, much to the author's delight.