Answer the following question: Is the following a factual statement?
"The Forbidden City contains imperial gardens."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: It is surrounded by numerous opulent imperial gardens and temples including the 22-hectare (54-acre) Zhongshan Park, the sacrificial Imperial Ancestral Temple, the 69-hectare (171-acre) Beihai Park, and the 23-hectare (57-acre) Jingshan Park.

Answer the following question: Is the following statement true?
"The Influenza virus can be prevented by a vaccine."
My answer and thoughts: The answer is yes.
Chain of thoughts: The flu vaccine is effective against the virus.

Answer the following question: Is the following a factual statement?
"The Trump administration finally released all the Kennedy assassination files and it turns out that the President of the Philippines was directly responsible for the hiring of the team that assassinated the president."
Options:
- yes
- no
My answer and thoughts:
The answer is no.
Chain of thoughts: No such files have ever been relased. There are still many classified files on the Kennedy assassination and the President of the Philippines has never been mentioned.