Question: This is a correct answer to the following question about List of United States presidential assassination attempts and plots. Yes or no? Answer: Four sitting presidents have been killed: Abraham Lincoln (the 16th President), James A. Garfield (the 20th President), William McKinley (the 25th President) and John F. Kennedy (the 35th President). Question: how many presidents have been assassinated
Answer: Yes

Question: This is a correct answer to the following question about Doha. Yes or no? Answer: The World Petroleum Council held the 20th World Petroleum Conference in Doha in December 2011. Question: what is the name of the founder of doha
Answer: No

Question: This is a correct answer to the following question about Sic. Yes or no? Answer: Sea Isle City, New Jersey , a coastal town in the United States Question: what does (sic) mean?
Answer:
No