*Q:* Could all of the people who pass through 30th Street Station every day fit in Dorton Arena?
*A:* My reasoning: J. S. Dorton Arena is a 7,610-seat multi-purpose arena located in Raleigh, North Carolina. On an average day in fiscal 2013, about 12,000 people boarded or left trains at 30th Street.
The answer: no.

*Q:* Were gladiators associated with the Coloseum?
*A:* My reasoning: The Colosseum was a stadium in the ancient city of Rome, large by even today's standards. During the Roman era, it was primarily used to host large spectacles including gladiatorial combat, mock battles, and executions.
The answer: yes.

*Q:* Are twins always born during the same year?
*A:*
My reasoning: Some twins are born right before the New Year, and right after the New Year. There are some twins, implanted through IVF, who are born decades apart.
The answer: no.