Input: Article: Three other efforts to improve regulation of international pesticide trade are the United Nations London Guidelines for the Exchange of Information on Chemicals in International Trade and the United Nations Codex Alimentarius Commission.[citation needed] The former seeks to implement procedures for ensuring that prior informed consent exists between countries buying and selling pesticides, while the latter seeks to create uniform standards for maximum levels of pesticide residues among participating countries. Both initiatives operate on a voluntary basis.

Now answer this question: Are these agencies a requirement in the countries where they exist?

Output: initiatives operate on a voluntary basis

Input: Article: On 30 September 1915, troops of the Serbian Army observed three enemy aircraft approaching Kragujevac. Soldiers shot at them with shotguns and machine-guns but failed to prevent them from dropping 45 bombs over the city, hitting military installations, the railway station and many other, mostly civilian, targets in the city. During the bombing raid, private Radoje Ljutovac fired his cannon at the enemy aircraft and successfully shot one down. It crashed in the city and both pilots died from their injuries. The cannon Ljutovac used was not designed as an anti-aircraft gun, it was a slightly modified Turkish cannon captured during the First Balkan War in 1912. This was the first occasion in military history that a military aircraft was shot down with ground-to-air fire.

Now answer this question: Which war was the cannon used in prior to this event?

Output: First Balkan War in 1912

Input: Article: On February 18, 1966, Kerry enlisted in the Naval Reserve. He began his active duty military service on August 19, 1966. After completing 16 weeks of Officer Candidate School at the U.S. Naval Training Center in Newport, Rhode Island, Kerry received his officer's commission on December 16, 1966. During the 2004 election, Kerry posted his military records at his website, and permitted reporters to inspect his medical records. In 2005, Kerry released his military and medical records to the representatives of three news organizations, but has not authorized full public access to those records.

Now answer this question: When did Kerry become a navy officer?

Output:
December 16, 1966