In this task, the input is a set of dialogues between a user and an assistant. You need to find the dialogue that is basically a response given to a question or an aspect of the user.

In Mesopotamia cuniform was invented around the mid-4th century BC. It was invented for the Sumerian language. 
 Good to know. Where is Mesopotamia located exactly? 
 Wow, seems like there's a lot of history there. Any ancient goods Mesopotamia is known for? 
 I'm sorry, I don't know about any specific goods, but I can tell you the society revolved around an agricultural economy as the Tigris and Euphrates River valleys formed the northern part of the Fertile Crescent. The other rivers forming it were the Jordan and the Nile. 
 Any other facts about language and writing in Mesopotamia I should know?
In Mesopotamia cuniform was invented around the mid-4th century BC. It was invented for the Sumerian language.