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 : Refuge Astronomer Cruls (Portuguese: Refugio Astronomo Cruls) is a Brazilian Antarctic summer facility named after astronomer Luis Cruls who set up an expedition in 1882 to Punta Arenas in order to observe the passage of Venus across the disk of the Sun. The structure, established on 25 January 1985, is situated on Nelson Island (South Shetland Islands), southwest of King George Island, South Shetland Islands, Antarctica.
Answer : Antarctica
Student:
On which continent is Refuge Astronomer Cruls located?