Triple

Target class: reconfigurable economy-class seat system
Context triple: [Skycouch, instanceOf, reconfigurable economy-class seat system]

• A. extra-legroom economy product
  An extra-legroom economy product is a standard economy class airline seat offering additional space for legs and sometimes enhanced comfort features, sold at a premium over regular economy fares.
• B. active head restraint system
  An active head restraint system is a safety feature in vehicle seats that automatically moves the headrest forward and/or upward during a rear-end collision to reduce the risk of whiplash injuries.
• C. numbered seat
  A numbered seat is a specific, individually identified place for sitting, typically assigned by a unique number to organize and locate seating in venues or transportation.
• D. asiento contract
  An asiento contract is a historical agreement, primarily used by the Spanish Crown, granting a private party or foreign power the exclusive right to supply goods or services—most infamously enslaved people—to Spanish territories under specified terms and conditions.
• E. business class airline seat product
  A business class airline seat product is a premium cabin offering that combines enhanced comfort, privacy, and service—typically featuring lie-flat seats, upgraded dining, priority services, and additional amenities—to provide a superior travel experience for business and high-value leisure passengers.
• F. None of above. chosen