Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School.
Answer : Havana
Solution: What was Isaac Nicola's city of birth?
Reason: The answer to the generated question according to context is Havana which is correct

Now, solve this instance: Context : Captain Godfrey Herbert, DSO and bar, (28 February 1884 -- 8 August 1961) was an officer of the Royal Navy who was sometimes referred to as 'Baralong Herbert', in reference to the Baralong incidents that took place during World War I. In a naval career stretching from 1898 to 1919, and with a return to duty between 1939 and 1943 in World War II, Herbert had several close encounters with death.
Answer : Royal Navy
Student:
What branch was Godfrey Herbert part of?