Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: Does the city that the Marine Brigade was sent to on October 2nd have a population larger than 500,000? Passage: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.


b