*Question*
This is a correct answer to the following question about Late Show with David Letterman. Yes or no? Answer: The head writer is Matt Roberts and the announcer is Alan Kalter . Question: what channel is letterman on
**Answer**
No

*Question*
This is a correct answer to the following question about Sic. Yes or no? Answer: Standard Industrial Classification , a 20th-century U.S. system for classifying industries Question: what does (sic) mean?
**Answer**
No

*Question*
This is a correct answer to the following question about William Howard Taft. Yes or no? Answer: In 1921, after the First World War, President Warren G. Harding appointed Taft Chief Justice of the United States. Question: What political conflicts marked the presidency of William Howard Taft?
**Answer**
No

*Question*
This is a correct answer to the following question about Muhammad. Yes or no? Answer: Besides the Quran, Muhammad's life ( sira ) and traditions ( sunnah ) are also upheld by Muslims as the sources of sharia law . Question: who contacted muhammad
**Answer**
No