Triple

Target class: set of ITU-T Recommendations
Context triple: [Series P, instanceOf, set of ITU-T Recommendations]

• A. ITU-T Recommendation chosen
  An ITU-T Recommendation is an internationally agreed technical standard developed by the ITU Telecommunication Standardization Sector to ensure the interoperability, quality, and efficiency of global telecommunication networks and services.
• B. ITU-R recommendation
  An ITU-R recommendation is an internationally agreed technical standard or guideline issued by the ITU Radiocommunication Sector to ensure the efficient, compatible, and harmonized use of the radio-frequency spectrum and satellite orbits.
• C. IETF document series
  The IETF document series is a collection of technical publications, including RFCs and Internet-Drafts, that specify, document, and standardize protocols, procedures, and best practices for the Internet.
• D. subsidiary body of ITU‑D
  A subsidiary body of ITU‑D is an organizational entity established under the ITU Telecommunication Development Sector to carry out specialized tasks, studies, or advisory functions that support and implement ITU‑D’s development objectives and programs.
• E. ISO/IEC standard
  An ISO/IEC standard is a formally agreed-upon specification developed jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC) that defines common requirements, guidelines, or characteristics for products, services, or systems to ensure quality, safety, interoperability, and consistency across international markets.
• F. None of above.