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.

[EX Q]: Question: What is the Black Watch? Passage:Thomson was born in Glasgow; soon after he was born his family realised that Glasgow was full of John Thomsons and started calling him Ian. He was educated at the High School of Glasgow and the University of Glasgow. In 1939 he joined the Black Watch but was able to finish his studies at Glagow University, graduating with a degree in economics in 1940. He had already applied to join the Colonial Service, did so in 1941 and was sent to Fiji, then a British colony, as aide-de-camp to the Governor, Sir Harry Luke. He was commissioned in the Fiji Military Forces and saw action in the Solomon Islands campaign. He was appointed a military "in recognition of gallant and distinguished services in the South West Pacific" in 1945. After the war he served the Administration of Fiji, becoming a District Officer and eventually District Commissioner 1963–66. In 1967 he reluctantly left Fiji to become Governor of the British Virgin Islands (BVI). He was appointed in the 1968 Birthday Honours. In 1971 he returned to Fiji after being invited by the Prime Minister of the newly independent Dominion of Fiji, Ratu Sir Kamisese Mara, to chair the board of the Fiji Sugar Corporation. He was also chairman of Fiji's airline, Air Pacific. He was knighted KBE in the 1985 New Year Honours on the advice of the Fijian government.

[EX A]: b

[EX Q]: Question: Which city is the largest  -  the city near junction K, or the city near junction A? Passage:Belgrade marshalling yard () or Makiš railway station (), or Makiš freight station, is a classification yard of the Belgrade railway junction and the largest railway station in Serbia. It is located in the neighbourhood of Makiš in Čukarica of Belgrade. The railroad continues to Ostružnica in one line via park A, in the other direction to Ostružnica via park B, in third direction to Resnik via junction B near Železnik and junction K of Belgrade railway junction near Petlovo Brdo, in fourth direction to Resnik via junction R in the tunnel below Vidikovac and junction A near Kneževac, in the fifth direction to Rakovica via park B and junction R, in the sixth direction to Rakovica via park A and junction T, in the seventh direction to Rakovica via park B and junction T per second line and the eight towards direction to Jajinci. Belgrade marshalling yard consists of 120 railway tracks.

[EX A]: a

[EX Q]: Question: Was the singer and actor who made "Footsteps" born prior to 1930? Passage:"Footsteps" is a hit single by American singer and actor Steve Lawrence, recorded in January 1960 and released in the spring of 1960 through ABC-Paramount Records in the US and via the HMV label in the UK. The song was written by Barry Mann and Hank Hunter. Lawrence's single features Lawrence's wife, Eydie Gormé, as a backing vocalist and Don Costa's Orchestra and chorus. It spent 13 weeks on the Billboard Hot 100, peaking at No. 7 on April 4, 1960, while reaching No. 4 the UK's Record Retailer chart, No. 3 Canada's CHUM Hit Parade, and No. 9 on Norway's VG-lista.

[EX A]:
b