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.
Q: Switching to history, what do you know? 
 What is the Geography of Jordan? 
 Ok, Thanks! 
 On 14 December 1955, it became a United Nations member. 
 You're welcome.
A: 
On 14 December 1955, it became a United Nations member.