Question: "Zheng Jie does not put in a lot of practice time."
Is the above claim true?
Options:
- yes
- no

Let me think..... Professional tennis players have to practice a lot to be where they are in the game. The answer is no.

Question: Yes / no, is the following a verifiable fact?
"United States Marine Band performs for the civilians on the every Friday evening."

Let me think..... This is false because the united states marine band only performs for the president and the commander of the marine army. The answer is no.

Question: Is the following sentence factually correct?
"E-commerce offers customers with financial assistance to start their projects and run them."
Options:
- yes
- no

Let me think..... This is false because E-commerce does not give out money to customers but it deals with goodies supply management. The answer is no.

Question: Is the following a factual statement?
"Warren Buffett invests in stocks a lot."
Options:
- yes
- no

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let me think..... I know this sentence is true because Warren Buffett is known to be an investor. Also, his holdings are public record. The answer is yes.