Student A:"Lonely Day" is the second single from the 2005 album Hypnotize by Armenian American metal band System of a Down. It was written by guitarist Daron Malakian, who also provides lead vocals on the track. The song received a nomination for Best Hard Rock Performance at the 49th Annual Grammy Awards.

Answer this question: who sings lonely day system of a down?
Student B:OK... The important part for answering this question is: It was written by guitarist Daron Malakian, who also provides lead vocals on the track.
guitarist Daron Malakian.

Student A:Passage: Arthur Fleming Fazzin (May 1, 1924 -- April 25, 1995), better known as Art Fleming, was an American actor and television host. He is most notable for being the original host of the television game show Jeopardy!, which aired on NBC from 1964 until 1975.

Question: Based on this passage, who was the original host of the 1960's jeopardy tv game show?
Student B:OK... The relevant information is: He is most notable for being the original host of the television game show Jeopardy!, which aired on NBC from 1964 until 1975.
Art Fleming.

Student A:In Unix-like operating systems, chmod is the command and system call which may change the access permissions to file system objects (files and directories). It may also alter special mode flags. The request is filtered by the umask. The name is an abbreviation of change mode.

Answer this question: how to change permission to a file in unix?
Student B:OK... The important part for answering this question is: In Unix-like operating systems, chmod is the command and system call which may change the access permissions to file system objects (files and directories).
chmod.

Student A:Switched at Birth is an American television drama series which premiered on ABC Family on June 6, 2011. Created by Lizzy Weiss, the series follows two teenage girls who learn that they were switched at birth. On August 17, 2012, ABC Family renewed Switched at Birth for a second season, which premiered on January 7, 2013. All of the episode titles take their names from pieces of artwork. On July 30, 2013, ABC Family renewed the series for a full 22-episode third season, which premiered in January 2014. The second half of season 3 premiered on June 16, 2014. On August 13, 2014, the series was renewed for a fourth season, which premiered on January 6, 2015. ABC Family, which changed its name to Freeform in January 2016, announced on Wednesday October 21, 2015, that it had renewed the series for a fifth and final season. The fifth season began airing on January 31, 2017, and concluded on April 11, 2017. During the course of the series, 103 episodes of Switched at Birth aired over five seasons.

Answer this question based on the passage: how many episodes are there of switched at birth?
Student B:
OK... The relevant information is: During the course of the series, 103 episodes of Switched at Birth aired over five seasons.
103.