**Q**
Is the following sentence factually correct?
"Rheumatoid arthritis can cause inflammation in joints."
Options:
- yes
- no
**A**
yes
Rheumatoid arthritis is an inflammatory condition that mainly effects the joints.
Does the following sentence make sense?
"The Scythians waged war and conquered other countries."
Options:
- yes
- no
no
The Scythians moved from place to place and did not establish any one location as their own.
**Q**
Is the following a factual statement?
"Depression is a type of Mood disorder."
Options:
- yes
- no
**A**
yes
Depression is medical condition that affects one's mood, making it a mood disorder.
Yes / no, is the following a verifiable fact?
"Linear algebra focuses on numerical analysis and analysis of linear functions."
yes
Linear algebra is studied in schools to teach the mechanics of linear functions.
**Q**
Claim: "The first person to digitally recreate the sound of the grand piano was Ray Kurzweil."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
yes
The Kurzweil music machine was the first to synthesize the grand piano.
**Q**
Is the following a factual statement?
"The lord of the rings and The Hobbit books were not related."
Options:
- yes
- no
**A**
no
J.R.R. Tolkien wrote the hobbit books before writing the lord of the rings.