IN: The United Nations Conference on Environment and Development (UNCED), also known as the Rio de Janeiro Earth Summit, the Rio Summit, the Rio Conference, and the Earth Summit (Portuguese: ECO92), was a major United Nations conference held in Rio de Janeiro from 3 to 14 June 1992.
earth summit in rio de janeiro in 1992?

OUT: yes

IN: Rotation in mathematics is a concept originating in geometry. Any rotation is a motion of a certain space that preserves at least one point. It can describe, for example, the motion of a rigid body around a fixed point. A rotation is different from other types of motions: translations, which have no fixed points, and (hyperplane) reflections, each of them having an entire (n 1)-dimensional flat of fixed points in a n-dimensional space. A clockwise rotation is a negative magnitude so a counterclockwise turn has a positive magnitude.
are there any fixed points under a rotation?

OUT: yes

IN: The Book of Ezra is a book of the Hebrew Bible; which formerly included the Book of Nehemiah in a single book, commonly distinguished in scholarship as Ezra--Nehemiah. The two became separated with the first printed rabbinic bibles of the early 16th century, following late medieval Latin Christian tradition. Its subject is the Return to Zion following the close of the Babylonian captivity, and it is divided into two parts, the first telling the story of the first return of exiles in the first year of Cyrus the Great (538 BC) and the completion and dedication of the new Temple in Jerusalem in the sixth year of Darius I (515 BC), the second telling of the subsequent mission of Ezra to Jerusalem and his struggle to purify the Jews from marriage with non-Jews. Together with the Book of Nehemiah, it represents the final chapter in the historical narrative of the Hebrew Bible.
is the book of ezra in the bible?

OUT: yes

IN: The velocity with which the reaction process propagates in the mass of the explosive. Most commercial mining explosives have detonation velocities ranging from 1800 m/s to 8000 m/s. Today, velocity of detonation can be measured with accuracy. Together with density it is an important element influencing the yield of the energy transmitted for both atmospheric over-pressure and ground acceleration. By definition, a ''low explosive,'' such as black powder, or smokeless gunpowder has a burn rate of 171--631 m/s. In contrast, a ''high explosive,'' whether a primary, such as detonating cord, or a secondary, such as TNT or C-4 has a significantly higher burn rate.
tnt is an example of a high explosive?

OUT:
yes