Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Example Input: Context : In 1994, the U.S. military officially accepted the XM4 into service as the M4 carbine to replace M16A2s in certain roles.
Answer : 1994
Example Output: In which year was the service entry date for M4 carbine?

Example Input: Context : In 1969, Mark Bernes was dying from lung cancer.
Answer : lung cancer
Example Output: What did Mark Bernes die of?

Example Input: Context : Solomon Meredith (May 29, 1810 -- October 2, 1875) was a prominent Indiana farmer, politician, and lawman who was a controversial Union Army general in the American Civil War.
Answer : Union Army
Example Output:
What army did Solomon Meredith serve in?