Claim: "One can find that QR code is an automatic identification and data capture that can link you to a site."
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. Restaurants use them, websites use them for promotional reasonings. The answer is yes.

Does the following sentence make sense?
"The Pony Express delivered messages as far west as California and as far east as California."
Options:
- yes
- no

Let me think out loud. It serves as the primary means of transcontinental communication in the early 1860s. The answer is yes.

Is the following sentence factually correct?
"Writers use Commas in sentences where they want the reader to pause."
Options:
- yes
- no
Let me think out loud. Commas are used to insert breaks in sentences. The answer is yes.