Q: Is the following sentence factually correct?
"Math problems about triangles can be solved using Trigonometry."
Options:
- yes
- no
A: yes
How to explain the answer: Trigonometry is a branch of math that focuses on triangles.

Q: Is the following sentence factually correct?
"The Samsung Galaxy S II came in multiple colors."
Options:
- yes
- no
A: yes
How to explain the answer: This phone was offered in white, black, and grey.

Q: Claim: "The Dutch East Indies now goes by the name Indonesia."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
A: yes
How to explain the answer: The island nation adopted the 18th century term Indonesia.