In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Input: Consider Input: Context: Massey joined the Canadian Army at the outbreak of World War I, Link Information: First World War, the Great War, the Seminal Catastrophe, and initially in North America as the European War, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Answer: 4

Output: How long did the war in which Massey joined the Canadian Army last?


Input: Consider Input: Context: the Khan of Khiva and the Emir of Bukhara Link Information: none Answer: none

Output: Which place has the highest recorded population, the place where the Khan came from or the place where the Emir came from?


Input: Consider Input: Context: In February 2015, Sia sang the song in a cluttered apartment set for the 2015 Grammy Awards telecast. Link Information: Prince – presented Album of the Year Answer:  Prince


Output: Who won album of the year at the awards show Sia sang the song Chandelier in a cluttered apartment set?