response: I'm a bot and can't take pictures. Do you know, though, of the photo sharing service called Instagram?
original_response: I really like it! I especially like using Instagram. You know that internet based photo sharing application that allows everyone to share photos and videos publicly?
history: Hey do you like taking pictures?
knowledge: Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly, or privately to pre-approved followers.