Triple

Target entity: Battle of Aljubarrota
Context triple: [Mosteiro de Santa Maria da Vitória, builtToCommemorate, Battle of Aljubarrota]

• A. Battle of Aljubarrota chosen
  The Battle of Aljubarrota was a decisive 1385 clash in which Portuguese forces, allied with England, defeated Castile and secured Portugal’s independence and the Aviz dynasty’s rule.
• B. Battle of São Mamede
  The Battle of São Mamede was a pivotal 1128 conflict near Guimarães in which Afonso Henriques asserted power over his mother’s faction, setting the stage for his rule as Afonso I and the emergence of Portugal as an independent kingdom.
• C. Battle of Valdevez
  The Battle of Valdevez was a 12th-century confrontation between the Kingdom of León and the emerging Kingdom of Portugal that helped solidify Portuguese autonomy and contributed to its eventual recognition as an independent kingdom.
• D. Battle of Oporto
  The Battle of Oporto was a 1809 Peninsular War engagement in which British and Portuguese forces under Arthur Wellesley drove Marshal Nicolas Soult’s French army from the Portuguese city of Porto.
• E. Battle of Alfarrobeira
  The Battle of Alfarrobeira was a 1449 Portuguese civil conflict in which royal forces defeated and killed the influential infante Peter, Duke of Coimbra, marking a decisive power shift in the kingdom.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.