In this task you will be given a passage and a yes/no question based on the passage. You should answer the question using the information from the passage.

[Q]: passage: Puerto Rico (Spanish for ``Rich Port''), officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, lit. ``Free Associated State of Puerto Rico'') and briefly called Porto Rico, is an unincorporated territory of the United States located in the northeast Caribbean Sea, approximately 1,000 miles (1,600 km) southeast of Miami, Florida.
 question: is puerto rico located in the united states?
[A]: No


[Q]: passage: After becoming the predominant defensive alignment in the late 1970s-early 1980s, the 3--4 defense declined in popularity over the next two decades, but experienced a resurgence in the 2000s among both professional and college football teams. As of 2017, NFL teams that regularly incorporate the 3--4 defensive alignment scheme as a base include the Green Bay Packers, Oakland Raiders, Los Angeles Rams, Pittsburgh Steelers, Baltimore Ravens, Arizona Cardinals, Indianapolis Colts, Kansas City Chiefs, New York Jets, Washington Redskins, Denver Broncos, Tennessee Titans, Houston Texans, and the Chicago Bears, who used the 3--4 as their base defense for the first time in 2015.
 question: do the texans run a 3-4 defense?
[A]: Yes


[Q]: passage: The Kentucky Derby was first run at 1 1/2 miles (12 furlongs; 2.4 km) the same distance as the Epsom Derby. The distance was changed in 1896 to its current 1 1/4 miles (10 furlongs; 2 km). On May 17, 1875, in front of an estimated crowd of 10,000 people, a field of 15 three-year-old horses contested the first Derby. Under jockey Oliver Lewis, a colt named Aristides, who was trained by future Hall of Famer Ansel Williamson, won the inaugural Derby. Later that year, Lewis rode Aristides to a second-place finish in the Belmont Stakes.
 question: are there always 20 horses in kentucky derby?
[A]:
No