Question: Question: "How are these documented?" Context: "The total number of Chinese characters from past to present remains unknowable because new ones are developed all the time for instance, brands may create new characters when none of the existing ones allow for the intended meaning. Chinese characters are theoretically an open set and anyone can create new characters, though such inventions are rarely included in official character sets. The number of entries in major Chinese dictionaries is the best means of estimating the historical growth of character inventory." Answer:
Answer: such inventions are rarely included in official character sets

Question: Question: "What's special about Yankee Stadium" Context: "New York City is home to the headquarters of the National Football League, Major League Baseball, the National Basketball Association, the National Hockey League, and Major League Soccer. The New York metropolitan area hosts the most sports teams in these five professional leagues. Participation in professional sports in the city predates all professional leagues, and the city has been continuously hosting professional sports since the birth of the Brooklyn Dodgers in 1882. The city has played host to over forty major professional teams in the five sports and their respective competing leagues, both current and historic. Four of the ten most expensive stadiums ever built worldwide (MetLife Stadium, the new Yankee Stadium, Madison Square Garden, and Citi Field) are located in the New York metropolitan area. Madison Square Garden, its predecessor, as well as the original Yankee Stadium and Ebbets Field, are some of the most famous sporting venues in the world, the latter two having been commemorated on U.S. postage stamps." Answer:
Answer: commemorated on U.S. postage stamps

Question: Question: "Which happened later: Kerry led a series of hearings that led up to the Iran-Contra affair, or Kerry was elected to the U.S. Senate?" Context: "After receiving his J.D. from Boston College Law School, Kerry worked in Massachusetts as an Assistant District Attorney. He served as Lieutenant Governor of Massachusetts under Michael Dukakis from 1983 to 1985 and was elected to the U.S. Senate in 1984 and was sworn in the following January. On the Senate Foreign Relations Committee, he led a series of hearings from 1987 to 1989 which were a precursor to the IranContra affair. Kerry was re-elected to additional terms in 1990, 1996, 2002 and 2008. In 2002, Kerry voted to authorize the President "to use force, if necessary, to disarm Saddam Hussein", but warned that the administration should exhaust its diplomatic avenues before launching war." Answer:
Answer:
led a series of hearings