Problem: In November 2008, 720p HD support was added. At the time of the 720p launch, the YouTube player was changed from a 4:3 aspect ratio to a widescreen 16:9. With this new feature, YouTube began a switchover to H.264/MPEG-4 AVC as its default video compression format. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4K format, which allows a resolution of up to 4096×3072 pixels. In June 2015, support for 8K resolution was added, with the videos playing at 7680×4320 pixels.
What did youtube change its screen format to from 4:3?
The answer is the following: widescreen 16:9


Scientists do not know the exact cause of sexual orientation, but they believe that it is caused by a complex interplay of genetic, hormonal, and environmental influences. They favor biologically-based theories, which point to genetic factors, the early uterine environment, both, or the inclusion of genetic and social factors. There is no substantive evidence which suggests parenting or early childhood experiences play a role when it comes to sexual orientation. Research over several decades has demonstrated that sexual orientation ranges along a continuum, from exclusive attraction to the opposite sex to exclusive attraction to the same sex.
What has the research that has been done already show about sexual orientation show?
has demonstrated that sexual orientation ranges along a continuum, from exclusive attraction to the opposite sex to exclusive attraction to the same sex.


Input: American Idol
There were 13 finalists this season, but two were eliminated in the first result show of the finals. A new feature introduced was the "Judges' Save", and Matt Giraud was saved from elimination at the top seven by the judges when he received the fewest votes. The next week, Lil Rounds and Anoop Desai were eliminated.

How many contestants were eliminated during the first week after the judges save?
Output: two


Input: Article: The song was released as a digital download on 25 September 2015. It received mixed reviews from critics and fans, particularly in comparison to Adele's "Skyfall". The mixed reception to the song led to Shirley Bassey trending on Twitter on the day it was released. It became the first Bond theme to reach number one in the UK Singles Chart. The English band Radiohead also composed a song for the film, which went unused.

Now answer this question: The release of Writing's on the Wall caused what name to trend on Twitter?

Output: Shirley Bassey


Article: After a new wave of UN sanctions, on 11 March 2013, North Korea claimed that it had invalidated the 1953 armistice. On 13 March 2013, North Korea confirmed it ended the 1953 Armistice and declared North Korea "is not restrained by the North-South declaration on non-aggression". On 30 March 2013, North Korea stated that it had entered a "state of war" with South Korea and declared that "The long-standing situation of the Korean peninsula being neither at peace nor at war is finally over". Speaking on 4 April 2013, the U.S. Secretary of Defense, Chuck Hagel, informed the press that Pyongyang had "formally informed" the Pentagon that it had "ratified" the potential usage of a nuclear weapon against South Korea, Japan and the United States of America, including Guam and Hawaii. Hagel also stated that the United States would deploy the Terminal High Altitude Area Defense anti-ballistic missile system to Guam, because of a credible and realistic nuclear threat from North Korea.

Question: How does the United States view North Korea's threats? 
Ans: credible and realistic nuclear threat


Input: Adult contemporary music
A format called quiet storm is often included in urban adult contemporary, and is often played during the evening, blending the urban AC and soft AC styles of music. The music that is played is strictly ballads and slow jams, mostly but not limited to Black and Latino artists. Popular artists in the quiet storm format are Teena Marie, Freddie Jackson, Johnny Gill, Lalah Hathaway, Vanessa L. Williams, Toni Braxton, and En Vogue among others.

What is the typical ethnicity of artists played on quiet storm stations?
Output:
Black and Latino