In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Question: Does the city that the Marine Brigade was sent to on October 2nd have a population larger than 500,000? Passage 1:On 27 August, a squadron of the Royal Naval Air Service (RNAS) flew to Ostend, for reconnaissance sorties between Bruges, Ghent and Ypres. Royal Marines landed at Dunkirk on the night of and on 28 September, a battalion occupied Lille. The rest of the brigade occupied Cassel on 30 September and scouted the country in motor cars; an RNAS Armoured Car Section was created, by fitting vehicles with bullet-proof steel. On 2 October, the Marine Brigade was sent to Antwerp, followed by the rest of the 63rd (Royal Naval) Division on 6 October, having landed at Dunkirk on the night of From the 7th Division and the 3rd Cavalry Division landed at Zeebrugge. Naval forces collected at Dover were formed into a separate unit, which became the Dover Patrol, to operate in the Channel and off the French-Belgian coast.
Passage 2:Political families started becoming more apparent in the national political scene after World War II and gradually turned into hereditary politics, especially in the provinces. In 1946, Vicente Sotto became a senator after his brother Filemon Sotto previously held a position in the Senate before the war. The 60s saw more frequent instances of relatives getting elected in the Senate such as the election of the brother of then President Ramon Magsaysay; of Magnolia Antonino as Senator after her husband Senator Gaudencio died; of Sergio Osmena Jr. who was the son of 4th President Sergio Osmena Sr.; of Gerardo Roxas who was another son of a previous president; and of Benigno Aquino Jr. who was the son of Benigno Sr.. During the martial law years, it only became worse as Marcos named his wife Imelda as the governor of Metro Manila while his son Bongbong became the governor of Ilocos Norte.
Passage 3:The Chargers flew to Arrowhead Stadium for a Week 7 fight with their AFC West rival, the Kansas City Chiefs. In the first quarter, San Diego fell behind early with KC QB Damon Huard completing an 11-yard TD pass to TE Kris Wilson and a 21-yard TD pass to WR Eddie Kennison. In the second quarter, the Chargers got on the board with kicker Nate Kaeding making a 39-yard field goal, yet Kansas City would respond with an 11-yard run by RB Larry Johnson. Kaeding made a 31-yard field goal for San Diego to end the half. In the third quarter, both teams swapped touchdowns, as QB Philip Rivers threw a 1-yard TD pass to TE Antonio Gates, while Johnson got a 1-yard TD run. In the fourth quarter, RB LaDainian Tomlinson caught a 37-yard TD pass and then threw a 1-yard TD pass to TE Brandon Manumaleuna. Kansas City Chiefs kicker Lawrence Tynes was good on a 53-yard field goal to seal the win for Kansas City, dropping San Diego to 42.
1