Q: Is the following a factual statement?
"Andrew Johnson served from 1865 to 1869 as the 17th president of the United States."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Andrew Johnson was the president of united states from 1865 to 1869.

Q: Is the following sentence factually correct?
"Golden eagle lives in the Northern Hemisphere."
Options:
- yes
- no
A: The answer is yes.
Chain of thoughts: Golden eagles are birds of the United States which is in the Northern Hemisphere.

Q: Yes / no, is the following a verifiable fact?
"Sodium bicarbonate mixed with wax will create an effective land mine."
A: The answer is no.
Chain of thoughts: Wax mixed with sodium bicarbonate will not produce an explosive weapon buried a few inches below the soil.

Q: Is the following statement true?
"Euclidean geometry applies primarily to polygons and figures in flat space."
A:
The answer is yes.
Chain of thoughts: Figures in a curved spatiotemporal environment cannot always be governed by Euclidean principles.