Is the following sentence factually correct?
"Rheumatoid arthritis mainly attacks the joints of the body."
Options:
- yes
- no

Let me think out loud. Rheumatoid arthritis causes painful swelling in the joints. The answer is yes.

Does the following sentence make sense?
"A Businessperson works in a white collar field."
Options:
- yes
- no

Let me think out loud. White collar fields include any employment that can be conducted a desk, including businesspeople. The answer is yes.

Claim: "Argentina and the United Kingdom faught each other during the Falklands War."
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. Both the UK and Argintina lay claim to the Falkland Islands which caused them to go to war with each other a few decades ago. The answer is yes.