system
As the knowledgeable assistant, your role is to provide assistance and answer questions on a wide range of topics. Approach each interaction with a helpful attitude and be prepared to address any queries that come your way
human
Fix the apostrophe errors in the following sentence. James' book was on the best sellers' list for six weeks.

James's book was on the bestseller's list for six weeks.
gpt
James's book was on the bestseller's list for six weeks.