Given the task definition, example input & output, solve the new input case.
In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
Example: This list contains the top 25 accounts with the most followers on the social photo-sharing platform Instagram. As of May 2018, the most followed user is Instagram's own account, with over 235 million followers. Selena Gomez is the most followed individual, with over 137 million followers. Ten accounts have exceeded 100 million followers on the site.
Output: who has the maximum number of followers on instagram
The answer is talking about the Instagram accounts that have the most followers. The question asking about the maximum number of followers. So this is a good example.

New input case for you: Written in 1926 (when Yeats was 60 or 61), 'Sailing to Byzantium' is Yeats' definitive statement about the agony of old age and the imaginative and spiritual work required to remain a vital individual even when the heart is 'fastened to a dying animal' (the body). Yeats's solution is to leave the country of the young and travel to Byzantium, where the sages in the city's famous gold mosaics could become the 'singing-masters' of his soul. He hopes the sages will appear in fire and take him away from his body into an existence outside time, where, like a great work of art, he could exist in 'the artifice of eternity.' In the final stanza of the poem, he declares that once he is out of his body he will never again appear in the form of a natural thing; rather, he will become a golden bird, sitting on a golden tree, singing of the past ('what is past'), the present (that which is 'passing'), and the future (that which is 'to come').
Output:
in the poem sailing to byzantium why are they going to byzantium