Is the following sentence factually correct?
"Hunger only exists in our minds and we do not really need food to survive."
Options:
- yes
- no

Let me think out loud. Humans need to eat food in order to live. The answer is no.

Claim: "Rheumatoid arthritis only effects old people."
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 out loud. Rheumatoid arthritis can effect a person of any age and presents as juvenile rheumatoid arthritis in younger cases. The answer is no.

Is the following a factual statement?
"Advertising creates millions of sales across the world."
Options:
- yes
- no
Let me think out loud. By showing products to people, it allows many to discover and purchase them. The answer is yes.