**Q**
Yes / no, is the following a verifiable fact?
"Albert Schweitzer existed as a Christian medical missionary and environmental philosopher."
**A**
yes
Albert Schweitzer was from German and focused on Christianity missions.

**Q**
Claim: "The mass of a Photon can be measured using a weighing scale."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
**A**
no
This is false because photons do not have mass.

**Q**
Is the following statement true?
"A Jury may decide whether a criminal is guilty or innocent."
**A**
yes
Juries are used in the American legal system to decide the outcomes of criminal trials.