Q: Does "All member countries, with the exception of the Socialist Republic of Romania and the People's Republic of Albania participated in the invasion." provide a valid answer to "In which year was the Warsaw Pact activated in a joint action?"?
A: no

Q: Does "In 1986 the Reagan Administration issued a regulation limiting the protective status of critical habitat." provide a valid answer to "Which presidential adminstration limited the protective status of critical habitat in 1986?"?
A: yes

Q: Does "One such reaction to the cold aesthetic of modernism and Brutalism is the school of metaphoric architecture, which includes such things as biomorphism and zoomorphic architecture, both using nature as the primary source of inspiration and design." provide a valid answer to "What are two examples of metaphoric architecture?"?
A: yes

Q: Does "As a result, adolescents experience a significant shift from the simple, concrete, and global self-descriptions typical of young children; as children, they defined themselves by physical traits whereas as adolescents, they define themselves based on their values, thoughts, and opinions." provide a valid answer to "Do children or adolescents define themselves based on values, thoughts, and opinions?"?
A:
yes