Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

Input: Consider Input: concept: Medicare  question:  when does medicare part d start?

Output: ['Centers for Medicare and Medicaid Services']


Input: Consider Input: concept: Arizona  question:  what utc time zone is arizona?

Output: ['Mountain Time Zone', 'UTC−07:00']


Input: Consider Input: concept: Sirius  question:  what does sirius black wand look like?


Output: ['Star']