Problem: Does "He also signed the North American Free Trade Agreement (NAFTA)." answer the question "Who signed NAFTA for Mexico?"

A: no

Problem: Does "The North American Environmental Atlas, produced by the Commission for Environmental Cooperation, a NAFTA agency composed of the geographical agencies of the Mexican, American, and Canadian governments uses the "Great Plains" as an ecoregion synonymous with predominant prairies and grasslands rather than as physiographic region defined by topography." answer the question "what countries is the Commission for Environmental Cooperation made up of?"

A: yes

Problem: Does "The Russian R-7 rocket family, which launched the first Sputnik at the beginning of the space race, is still in use today." answer the question "Which Russian rocket carries passengers to and from the International Space Station?"

A:
yes