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.

Ex Input:
Context: Lerdorf was born on Disko Island in Greenland Link Information: none Answer: none

Ex Output:
Is Disko Island the main island in Greenland?


Ex Input:
Context: In addition to Shahrbanu, the historian Al-Masudi provides the names of four other children of Yazdegerd III; two sons, namely Peroz and Bahram Link Information: none Answer: none

Ex Output:
Which of the sons was born first?


Ex Input:
Context: On February 25, 1956, Khrushchev gave a clandestine speech to the Twentieth Party Congress of the Communist Party of the Soviet Union Link Information: After 74 years, it was dissolved on 29 August 1991 Answer: 34

Ex Output:

How long had the Communist Party of the Soviet Union been in power when Khrushchev gave a speech to the Twentieth Party Congress?