Question: Yes / no, is the following a verifiable fact?
"Streptococcus causes many types of infections."

Let me think..... Because it is a bacteria, it is responsible for numerous types of sicknesses. The answer is yes.

Question: Claim: "Pope Alexander VI fought in the second crusade for the Muslims."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no

Let me think..... Pope Alexander VI was a Christian and did not fight in the crusades. The answer is no.

Question: Is the following statement true?
"Charles Darwin theories prove that a creator force doesn't exist."

Let me think..... Many new atheists like to think that because Charles Darwin's evolutionary biology is real, that it proves that men are no more than creatures risen from the primordial muck, but this is not necessarily the case. The answer is no.

Question: Is the following statement true?
"Richard I of England waged war in the Middle East."
Let me think..... Richard I of England ruled England at the time of the Crusades. The answer is yes.