Question: Is the following statement true?
"Mario Andretti won races in Formula One, IndyCar, the World Sportscar Championship, and NASCAR."

Let me think..... Mario Andretti is a former racing driver and one of the most successful Americans in the history of the sport. The answer is yes.

Question: Yes / no, is the following a verifiable fact?
"Joan Rivers was the most frequent guest to appear on the Tonight Show staring Johnny Carson."

Let me think..... Actually Bob Hope was the most frequent guest. Appearing on the show 131 times. The answer is no.

Question: Is the following statement true?
"The Swastika became widely known as the symbol of Nazi Germany in the 1930s and 1940s."

Let me think..... Nazi Germany widely displayed this symbol throughout its history and it became heavily associated with the country. The answer is yes.

Question: Does the following sentence make sense?
"January 1st marks New Year's Day and the first day of the year in America."
Options:
- yes
- no
Let me think..... This is well-known, though only going off of western calendars, as other cultures do celebrate different starts of the year. The answer is yes.