Student A:Context: Tappan Zee Constructors began construction in 2013. The north span officially opened to westbound traffic on August 26, 2017; it also opened to eastbound traffic on October 6, 2017. Tappan Zee Constructors then began demolishing the old bridge. Eastbound traffic will be switched to the south span upon its completion. Both spans are expected to be operational by the end of 2018.

Question: when will new tappan zee bridge be completed?
Student B:OK... The relevant information to answer the above question is: Both spans are expected to be operational by the end of 2018.
the end of 2018.

Problem:Richard John Cyril Allen (born 1 November 1963) is an English drummer who has played for the hard rock band Def Leppard since 1978. He overcame the amputation of his left arm in 1985 and continued to play with the band, which subsequently went on to its most commercially successful phase. He is known as "The Thunder God" by fans.

When did the drummer for def leppard lose his arm?
Solution:OK... The relevant information to answer the above question is: He overcame the amputation of his left arm in 1985 and continued to play with the band, which subsequently went on to its most commercially successful phase.
1985.

Student A:A Sharp Intake of Breath is a British sitcom starring David Jason, Jacqueline Clarke, Richard Wilson and Alun Armstrong which ran from 1977 to 1981. It was made for the ITV network by ATV and recorded at their Elstree Studios. The opening titles featured cartoons by Mel Calman.

When was a sharp intake of breath made?
Student B:OK... To answer this question, we should know that: A Sharp Intake of Breath is a British sitcom starring David Jason, Jacqueline Clarke, Richard Wilson and Alun Armstrong which ran from 1977 to 1981.
from 1977 to 1981.

Problem:Slow-wave sleep (SWS), often referred to as deep sleep, consists of stage three (combined stages 3 and 4) of non-rapid eye movement sleep. Initially, SWS consisted of both Stage 3, which has 20-50 percent delta wave activity, and Stage 4, which has more than 50 percent delta wave activity. However, as of 2008, the American Academy of Sleep Medicine (AASM) has discontinued the use of Stage four as a separate stage. Thus, the two stages are now combined as "Stage three" or N3. An epoch (30 seconds of sleep) which consists of 20 % or more slow-wave (delta) sleep is now considered to be stage three.

Which stage of sleep is represented by delta waves?
Solution:OK... The relevant information to answer the above question is: An epoch (30 seconds of sleep) which consists of 20 % or more slow-wave (delta) sleep is now considered to be stage three.
three.

Student A:Batman: Under the Red Hood is a 2010 American animated superhero direct-to-video film produced by Warner Bros. Animation and released by Warner Home Video. It is the eighth feature in the DC Universe Animated Original Movies series. It was released on July 27, 2010. The film stars Bruce Greenwood as Bruce Wayne / Batman, Jensen Ackles as the Red Hood / Jason Todd, John DiMaggio as the Joker, Neil Patrick Harris as Nightwing / Dick Grayson, Jason Isaacs as Ra's al Ghul, and Wade Williams as Black Mask. The screenplay was written by Judd Winick, who also wrote the "Under the Hood" run in the monthly Batman comic.

Answer this question: who does neil patrick harris play in batman under the red hood?
Student B:OK... The important part for answering this question is: The film stars Bruce Greenwood as Bruce Wayne / Batman, Jensen Ackles as the Red Hood / Jason Todd, John DiMaggio as the Joker, Neil Patrick Harris as Nightwing / Dick Grayson, Jason Isaacs as Ra's al Ghul, and Wade Williams as Black Mask.
Nightwing / Dick Grayson.

Student A:National Disaster Management Authority, abbreviated as NDMA is an agency of the Ministry of Home Affairs whose primary purpose is to coordinate response to natural or man-made disasters and for capacity-building in disaster resiliency and crisis response. NDMA was established through the Disaster Management Act enacted by the Government of India in may 30 2005. The Prime Minister is the ex-officio chairperson of it. The agency is responsible for framing policies, laying down guidelines and best-practices and coordinating with the State Disaster Management Authorities (SDMAs) to ensure a holistic and distributed approach to disaster management.

Answer this question: agencies in india responsible for warning natural disasters?
Student B:
OK... The relevant information is: National Disaster Management Authority, abbreviated as NDMA is an agency of the Ministry of Home Affairs whose primary purpose is to coordinate response to natural or man-made disasters and for capacity-building in disaster resiliency and crisis response.
National Disaster Management Authority.