Does "During recording the amplitude of low frequencies is reduced, thus reducing the groove width required, and the amplitude at high frequencies is increased." contain the correct answer to "What is done during recordings to help reduce unwanted sounds?"

A: yes

Does "In the Mexico City airport, the government engaged in an extensive restructuring program that includes the addition of a new second terminal, which began operations in 2007, and the enlargement of four other airports (at the nearby cities of Toluca, Queretaro, Puebla and Cuernavaca) that, along with Mexico City's airport, comprise the Grupo Aeroportuario del Valle de Mexico, distributing traffic to different regions in Mexico." contain the correct answer to "How many national airlines are there in Mexico?"

A: no

Does "Dog meat is consumed in some East Asian countries, including Korea, China, and Vietnam, a practice that dates back to antiquity." contain the correct answer to "Where do some people eat dogs?"

A:
yes