Student A:The Hobbit is a film series consisting of three high fantasy adventure films directed by Peter Jackson. They are based on the 1937 novel The Hobbit by J.R.R. Tolkien, with large portions of the trilogy inspired by the appendices to The Return of the King, which expand on the story told in The Hobbit, as well as new material and characters written especially for the films. Together they act as a prequel to Jackson's The Lord of the Rings film trilogy. The films are subtitled An Unexpected Journey (2012), The Desolation of Smaug (2013), and The Battle of the Five Armies (2014).

Based on this passage, what are the names of the three hobbit movies?
Student B:OK... The relevant sentence in the passage is: The films are subtitled An Unexpected Journey (2012), The Desolation of Smaug (2013), and The Battle of the Five Armies (2014).
An Unexpected Journey ( 2012 ) , The Desolation of Smaug ( 2013 ) , and The Battle of the Five Armies ( 2014 ).

Student A:The thirteenth season of Criminal Minds was ordered on April 7, 2017, by CBS with an order of 22 episodes. The season premiered on September 27, 2017 in a new time slot at 10: 00PM on Wednesday when it had previously been at 9: 00PM on Wednesday since its inception. The season will conclude on April 18, 2018 with a two-hour season finale.

Answer this question based on the passage: when do new episodes of criminal minds come on?
Student B:OK... The important part for answering this question is: The season premiered on September 27, 2017 in a new time slot at 10: 00PM on Wednesday when it had previously been at 9: 00PM on Wednesday since its inception.
September 27 , 2017.

Student A:The Galactic Center is the rotational center of the Milky Way. The estimates for its location range from 24 -- 28.4 kilolight-years (7.4 -- 8.7 kiloparsecs) from Earth in the direction of the constellations Sagittarius, Ophiuchus, and Scorpius where the Milky Way appears brightest. There is strong evidence consistent with the existence of a supermassive black hole at the Galactic Center of the Milky Way.

Based on this passage, what is in the center of the milky way galaxy?
Student B:OK... The relevant information to answer the above question is: There is strong evidence consistent with the existence of a supermassive black hole at the Galactic Center of the Milky Way.
a supermassive black hole.

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.