Student A:Context: "The Star-Spangled Banner" was recognized for official use by the United States Navy in 1889, and by U.S. President Woodrow Wilson in 1916, and was made the national anthem by a congressional resolution on March 3, 1931 (46 Stat. 1508, codified at 36 U.S.C. 301), which was signed by President Herbert Hoover.

Question: when did star spangled banner became national anthem?
Student B:OK... The relevant information to answer the above question is: "The Star-Spangled Banner" was recognized for official use by the United States Navy in 1889, and by U.S. President Woodrow Wilson in 1916, and was made the national anthem by a congressional resolution on March 3, 1931 (46 Stat. 1508, codified at 36 U.S.C. 301), which was signed by President Herbert Hoover.
March 3 , 1931.

Student A:Passage: Quaternary (/ kwtrnri /) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.588 0.005 million years ago to the present. The Quaternary Period is divided into two epochs: the Pleistocene (2.588 million years ago to 11.7 thousand years ago) and the Holocene (11.7 thousand years ago to today). The informal term "Late Quaternary" refers to the past 0.5 -- 1.0 million years.

Question: Based on this passage, when did the quaternary period begin and end?
Student B:OK... The relevant information is: It follows the Neogene Period and spans from 2.588 0.005 million years ago to the present.
2.588 0.005 million years ago to the present.

Student A:Stone Mountain is a pluton, a type of igneous intrusion. Primarily composed of quartz monzonite, the dome of Stone Mountain was formed during the formation of the Blue Ridge Mountains around 300 -- 350 million years ago (during the Carboniferous period), part of the Appalachian Mountains. It formed as a result of the upwelling of magma from within the Earth's crust. This magma solidified to form granite within the crust five to ten miles below the surface.

Answer this question based on the passage: what type of geologic feature is stone mountain?
Student B:OK... To answer the above question, the relevant sentence is: Stone Mountain is a pluton, a type of igneous intrusion.
a pluton , a type of igneous intrusion.

Student A:Passage: Lata Mangeshkar (pronunciation ( help info) ) (born 28 September 1929) is an Indian playback singer and occasional music composer. She is one of the best-known and most respected playback singers in India. Mangeshkar's career started in 1942 and has spanned over seven decades. She has recorded songs for over a thousand Hindi films and has sung songs in over thirty-six regional Indian languages and foreign languages, though primarily in Marathi and Hindi. She is the recipient of three National Film Awards, 12 Bengal Film Journalists' Association Awards, four Filmfare Best Female Playback Awards and many more. The Dadasaheb Phalke Award was bestowed on her in 1989 by the Government of India. She is also the second vocalist, after M.S. Subbulakshmi, to have ever been awarded the Bharat Ratna in 2001, India's highest civilian honour. She has four siblings -- Asha Bhosle, Hridaynath Mangeshkar, Usha Mangeshkar and Meena Mangeshkar -- of which she is the eldest.

Question: Based on this passage, famous indian playback singer. one of the best known and respected playback singers?
Student B:
OK... This is the relevant information: She is one of the best-known and most respected playback singers in India.
Lata Mangeshkar.