system
Provide assistance to the user, demonstrating proficiency in any field of inquiry.
human
Suggest a transitional phrase to introduce an opposing point of view.

"Some people believe that social media has improved communication between people. Others, however, argue that it has hindered face-to-face communication."
gpt
While some believe that social media has improved communication, others contend that it has actually hindered face-to-face communication. The latter argument is worth discussing in more detail.