The Estonian language can be found in Russia.
yes
"Estonian language originated in countries such as Russia and Estonia."
Is the above claim true?
Options:
- yes
- no
Explanation and answer: Obstetricians are experts in human pregnancy, something different from that of horses.
no

The corresponding question: Is the following sentence factually correct?
"People who study Obstetrics are necessarily experts in horse pregnancies."
Options:
- yes
- no
The United States Army Air Forces were responsible for aerial military.
yes
Is the following statement true?
"The United States Army Air Forces sent aircraft into the skies."
Explanation and answer: Frostbite is created by DICE in 2008 and has served as their primary engine for their games.
yes

The corresponding question: Is the following sentence factually correct?
"DICE designed the Frostbite engine made for First Person Shooter games."
Options:
- yes
- no
The word solo is an Italian language describing a kind of music performance.
yes
Is the following statement true?
"Solo comes from Italy and is a music performance."
The Mona Lisa is one of the most famous.
yes
Claim: "Leonardo da Vinci created one of the most famous art works of all time, the Mona Lisa."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no