Q&A: Yes / no, is the following a verifiable fact?
"Big Ben towers over the Palace of Westminster in London."
yes
Exp: This is the location of the clock tower and can easily be seen from any point where the palace can.

Q&A: Is the following statement true?
"Indiana Jones and the Kingdom of the Crystal Skull differed from previous installments by being the first movie in the franchise not directed by Steven Spielberg."
no
Exp: Steven Spielberg has directed every Indiana Jones movie to this point.

Q&A: Is the following sentence factually correct?
"Richard Stallman worked at Microsoft in the 1980s."
Options:
- yes
- no
no
Exp: Richard Stallman was involved with Linux and free software and never worked for the propriety software firm that is Microsoft.

Q&A: Does the following sentence make sense?
"Tony Bennett met Christopher Columbus when he was a teenager."
Options:
- yes
- no
no
Exp:
Christopher Columbus was alive in the 14th century, centuries before records were invented. Tony Bennett was a recording artist that recorded on records.