KGB is like the Russian version of the CIA.
Yes / no, is the following a verifiable fact?
"KGB acted as the Soviet intelligence agency during the cold war and soviet area."
yes

Friday the 13th is seen as an unlucky day for many people.
Is the following a factual statement?
"Superstitious people expect to have bad luck on Friday the 13th."
Options:
- yes
- no
yes

He started with career in 1894 and continued to be more well-known over the following decades.
Is the following sentence factually correct?
"Alexander Scriabin rose to prominence in the late 1800s and early 1900s."
Options:
- yes
- no
yes

On December 1941 Pearl Harbor was indeed attacked.
Claim: "Attack on Pearl Harbor happened on December 1941."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
yes