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.

[Q]: concept: Philadelphia  question:  what are fun things to do in philadelphia?
[A]: ['Philadelphia Zoo', 'Wagner Free Institute of Science', 'African American Museum in Philadelphia', 'Liberty Bell', 'Rodin Museum', 'Independence Hall', 'Boathouse Row', 'Academy of Natural Sciences', 'Reading Terminal Market', 'Franklin Institute']


[Q]: concept: Roman Empire  question:  what language did ancient romans write in?
[A]: ['Latin Language']


[Q]: concept: Nigeria  question:  what type of government does the nigeria have?
[A]:
Presidential system, Federal republic, Federation