Triple

Target entity: Pope Gregory XII
Context triple: [Pope Innocent VII, successor, Pope Gregory XII]

• A. Pope Gregory XII chosen
  Pope Gregory XII was the Roman pontiff whose resignation in 1415, during the Western Schism, helped restore unity to the Catholic Church and paved the way for the election of Pope Martin V.
• B. Gregory XI
  Gregory XI was the 14th-century pope best known for returning the papacy from Avignon to Rome, effectively ending the Avignon Papacy.
• C. Pope Eugene IV
  Pope Eugene IV was the head of the Catholic Church from 1431 to 1447, known for his efforts to assert papal authority and for presiding over the Council of Florence, which sought to reunite the Eastern and Western Churches.
• D. pontificate of Gregory XI
  The pontificate of Gregory XI was the final papal reign of the Avignon Papacy, marked by his decision to return the papal court from Avignon to Rome in the late 14th century.
• E. Pope Boniface IX
  Pope Boniface IX was the head of the Roman obedience of the Catholic Church during the Western Schism, serving as pope from 1389 to 1404 and contending with rival claimants to the papacy.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.