Explanation and answer: Microwaves are not visible and so can't be detected by observational astronomy.
no

The corresponding question: Is the following sentence factually correct?
"Observational astronomy estimated high level of Cosmic microwave background during gravitational lensing."
Options:
- yes
- no
Mark Zuckerberg founded and holds a stake in Facebook which is worth a lot of money.
yes
Is the following a factual statement?
"Mark Zuckerberg received great wealth from Facebook's existence."
Options:
- yes
- no
Explanation and answer: Studio Ghibli has many hits like Spirited Away.
yes

The corresponding question: Claim: "A top animation studio in Japan is Studio Ghibli."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Biogeography focuses on the relationship between biological/ecological processes and various bio-eco systems.
yes
Yes / no, is the following a verifiable fact?
"Biogeography helps us understand how biological and ecological systems work."
Explanation and answer: The Liberty Bell is famous for having a large crack in its side.
yes

The corresponding question: Yes / no, is the following a verifiable fact?
"The crack in the Liberty Bell sets it apart from other famous bells."
Explanation and answer: A peach is not a phone, but a fruit instead.
no

The corresponding question:
Is the following a factual statement?
"I picked up the Peach and talked into it, but couldnt hear my mother who just called."
Options:
- yes
- no