Triple

Target entity: Second Vatican Council
Context triple: [College of Bishops, theologicalBasis, Second Vatican Council]

• A. Second Vatican Council chosen
  The Second Vatican Council was a major 20th-century ecumenical council of the Roman Catholic Church that introduced significant reforms in liturgy, church governance, and the Church’s engagement with the modern world.
• B. First Vatican Council
  The First Vatican Council was a 19th-century ecumenical council of the Catholic Church best known for defining the doctrine of papal infallibility and addressing issues of faith in the modern era.
• C. Second session of the Second Vatican Council
  The Second session of the Second Vatican Council was a key phase of the 1962–1965 Roman Catholic ecumenical council in which bishops from around the world continued debating and shaping major reforms in church doctrine, liturgy, and relations with the modern world.
• D. Fourth session of the Second Vatican Council
  The Fourth Session of the Second Vatican Council (1965) was the concluding phase of the Catholic Church’s landmark 1962–1965 ecumenical council, during which key documents on religious freedom, the role of the laity, and the Church’s relationship with the modern world were finalized and promulgated.
• E. Third session of the Second Vatican Council
  The Third session of the Second Vatican Council was a key phase of the 1962–1965 Catholic Church council during which major documents on ecumenism and church reform were debated and promulgated.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.