Extract the answer to the question from the following context. Question: What does Playstation use to control what the user does? Context: PlayStation 3 console protects certain types of data and uses digital rights management to limit the data's use. Purchased games and content from the PlayStation Network store are governed by PlayStation's Network Digital Rights Management (NDRM). The NDRM allows users to access the data from up to 2 different PlayStation 3's that have been activated using a user's PlayStation Network ID. PlayStation 3 also limits the transfer of copy protected videos downloaded from its store to other machines and states that copy protected video "may not restore correctly" following certain actions after making a backup such as downloading a new copy protected movie.
Ans: user's PlayStation Network ID

Extract the answer to the question from the following context. Question: What do Greenland and Antarctica have that makes them unique from other places? Context: Glacial bodies larger than 50,000 km2 (19,000 sq mi) are called ice sheets or continental glaciers. Several kilometers deep, they obscure the underlying topography. Only nunataks protrude from their surfaces. The only extant ice sheets are the two that cover most of Antarctica and Greenland. They contain vast quantities of fresh water, enough that if both melted, global sea levels would rise by over 70 m (230 ft). Portions of an ice sheet or cap that extend into water are called ice shelves; they tend to be thin with limited slopes and reduced velocities. Narrow, fast-moving sections of an ice sheet are called ice streams. In Antarctica, many ice streams drain into large ice shelves. Some drain directly into the sea, often with an ice tongue, like Mertz Glacier.
Ans: The only extant ice sheets

Extract the answer to the question from the following context. Question: This thing, mostly used as a pure metal, is no longer pure when it is needed for? Context: The major applications of copper are in electrical wires (60%), roofing and plumbing (20%) and industrial machinery (15%). Copper is mostly used as a pure metal, but when a higher hardness is required it is combined with other elements to make an alloy (5% of total use) such as brass and bronze. A small part of copper supply is used in production of compounds for nutritional supplements and fungicides in agriculture. Machining of copper is possible, although it is usually necessary to use an alloy for intricate parts to get good machinability characteristics.
Ans: intricate parts to get good machinability characteristics

Extract the answer to the question from the following context. Question: What was Les Costellos occupation prior to organizing The Flying Fathers? Context: The Flying Fathers, a Canadian group of Catholic priests, regularly toured North America playing exhibition hockey games for charity. One of the organization's founders, Les Costello, was a onetime NHL player who was ordained as a priest after retiring from professional hockey. Another prominent exhibition hockey team is the Buffalo Sabres Alumni Hockey Team, which is composed almost entirely of retired NHL players, the majority of whom (as the name suggests) played at least a portion of their career for the Buffalo Sabres.
Ans: professional hockey