You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "in october 2017 which country declared that the trade agreement with pakistan has been expired?" whose answer is Afghanistan.
Each document should contain about 30 words, and these documents should contain useful information.

Query: trade agreement with Pakistan expired October 2017
Useful Output:

Doc 1: The transit trade agreement expired on February 11, 2021. Though Pakistan has made efforts to ink a revised deal, any agreement between the two
Doc 2: On 23 October 2017, the President of Afghanistan Ashraf Ghani announced that "The Afghanistan and Pakistan Trade Agreement (APTA) has expired"
Doc 3: This Agreement shall come into force from the 1st of September 1963 and shall remain in force for a period of two years.
Doc 4: Pakistan and Afghanistan had extended the application of Afghanistan-Pakistan Transit Trade Agreement (APTTA) 2010 by three months following its expiry on
Doc 5: In 2017, Afghanistan banned entry of Pakistani trucks into the country.  Pakistan Trade Agreement (APTA) has expired. Before this Pakistan