Problem: Extract the answer to the question from the following context. Question: What prevented the Warsaw Pact countries from becoming more independent? Context: The six Warsaw Pact countries of Eastern Europe, while nominally independent, were widely recognized in the international community as the Soviet satellite states. All had been occupied by the Soviet Red Army in 1945, had Soviet-style socialist states imposed upon them, and had very restricted freedom of action in either domestic or international affairs. Any moves towards real independence were suppressed by military force in the Hungarian Revolution of 1956 and the Prague Spring in 1968. Gorbachev abandoned the oppressive and expensive Brezhnev Doctrine, which mandated intervention in the Warsaw Pact states, in favor of non-intervention in the internal affairs of allies jokingly termed the Sinatra Doctrine in a reference to the Frank Sinatra song "My Way".

A: Any moves towards real independence were suppressed by military force

Problem: Extract the answer to the question from the following context. Question: Where might you find recycled asphalt and bitumen being put back to use? Context: When maintenance is performed on asphalt pavements, such as milling to remove a worn or damaged surface, the removed material can be returned to a facility for processing into new pavement mixtures. The asphalt/bitumen in the removed material can be reactivated and put back to use in new pavement mixes. With some 95% of paved roads being constructed of or surfaced with asphalt, a substantial amount of asphalt pavement material is reclaimed each year. According to industry surveys conducted annually by the Federal Highway Administration and the National Asphalt Pavement Association, more than 99% of the asphalt removed each year from road surfaces during widening and resurfacing projects is reused as part of new pavements, roadbeds, shoulders and embankments.

A: facility

Problem: Extract the answer to the question from the following context. Question: What was La note bleue about? Context: Chopin's life and his relations with George Sand have been fictionalized in numerous films. The 1945 biographical film A Song to Remember earned Cornel Wilde an Academy Award nomination as Best Actor for his portrayal of the composer. Other film treatments have included: La valse de l'adieu (France, 1928) by Henry Roussel, with Pierre Blanchar as Chopin; Impromptu (1991), starring Hugh Grant as Chopin; La note bleue (1991); and Chopin: Desire for Love (2002).

A: Chopin

Problem: Extract the answer to the question from the following context. Question: What do you have to be a part of to benefit from the Native Arts and Cultures Foundation? Context: Visual arts by indigenous peoples of the Americas comprise a major category in the world art collection. Contributions include pottery, paintings, jewellery, weavings, sculptures, basketry, carvings, and beadwork. Because too many artists were posing as Native Americans and Alaska Natives in order to profit from the cache of Indigenous art in the United States, the U.S. passed the Indian Arts and Crafts Act of 1990, requiring artists to prove that they are enrolled in a state or federally recognized tribe. To support the ongoing practice of American Indian, Alaska Native and Native Hawaiian arts and cultures in the United States, the Ford Foundation, arts advocates and American Indian tribes created an endowment seed fund and established a national Native Arts and Cultures Foundation in 2007.

A:
state or federally recognized tribe