Question: Is the following a factual statement?
"The Three Gorges Dam controls waterflow in China."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: The Dam is in China and holds water.

Question: Does the following sentence make sense?
"Ageing involves an increase in number of days or years to someone or something."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: This sentence is true because everyone can count their ages and they can see they are increasing every single day.

Question: Is the following a factual statement?
"A Child actor sometimes receives their schooling on the film set from a tutor."
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: On-set tutoring is a well known part of being a child actor.

Question: Is the following sentence factually correct?
"Joule, a derived unit of energy, represents the work required to produce one watt of power for one second."
Options:
- yes
- no
Ans and explanation:
The answer is yes.
Explanation: The joule is a derived unit of energy in the International System of Units.