In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Example Input: Question: How many years apart in age were Sweyn's sons? Passage:Gorm's son, Harald Bluetooth succeeded his father as king and married possibly three times with Gunhild, Tove and Gyrid. Harald had a son named Sweyn Forkbeard. Sweyn succeeded his father as king and married Gunhild (Świętosława of Poland). They had a son named Cnut the Great. Sweyn also ruled England in his lifetime and established the Danish Empire. When Sweyn died, his elder son Harald Svendsen became the King of Denmark, while England's former king, Ethelred, reclaimed the throne. Following Harald's death, his brother Cnut the Great became king, re-established the Danish North Sea Empire. He married Emma of Normandy with whom he had a son named Harthacnut. When Cnut died (and after the brothers of Harthacnut also had died), Harthacnut became king of Denmark and England. Upon his death, Edward the Confessor became ruler of England in 1042. Sweyn Forkbeard also had a daughter, Estrid, from whom all ruling kings and queens of Denmark after 1047 descend.

Example Output: b

Example Input: Question: Is the university of Paris in France? Passage:Following his completion of secondary school, Demiéville spent time studying in Munich, London, and Edinburgh, where he was able to attend lectures by George Saintsbury at the University of Edinburgh. He then attended the University of Paris, where he wrote an essay on the musical suite of the 17th and 18th centuries and was awarded a licentiate degree in 1914. Demiéville then spent the year 1915 studying at King's College London where he was introduced to Chinese, which quickly became his focus. After returning to France, Demiéville studied at the École des Langues Orientales Vivantes (School of Living Oriental Languages), after which he moved to the Collège de France, where he further studied Chinese under the tutelage of Édouard Chavannes and began learning Sanskrit from Sylvain Lévi. He earned his Diplômé from the École des Langues Orientales Vivantes in 1919.

Example Output: b

Example Input: Question: Who currently holds the same position held by Miguel Cordero in 1993? Passage:In 1993, the chairman of the Puerto Rico Electric Power Authority (AEE), Miguel Cordero, proposed a natural gas pipeline as part of the Government of Puerto Rico's plan to diversify Puerto Rico's energy sources. However, the proposal did not proceed during the administration of the Partido Nuevo Progresista (PNP) governor Pedro Rosselló (1993–2000). In 2001, the Popular Democratic Party of Puerto Rico (PPD) won the gubernatorial elections, put Sila Calderon in La Fortaleza from 2001 to 2004, and appointed Héctor Rosario as executive director of the AEE. The pipeline plan proposed by Cordero was shelved. In 2005, a natural gas pipeline project named Gasoducto del Sur (English: Southern Gas Pipeline) started construction under the PPD administration of Aníbal Acevedo Vilá. The Gasoducto del Sur pipeline would have transported natural gas from the EcoEléctrica facilities in Peñuelas to the power plant at Aguirre in Salinas. Acevedo Vilá managed to complete about 25% of the Gasoducto del Sur project before being defeated by the opposing party, the PNP, in the 2008 elections. When the PNP took back La Fortaleza in 2009 via Luis Fortuño as governor, Miguel Cordero was reappointed executive director of the AEE, and the Gasoducto del Sur project, though a quarter of its way completed, was abruptly cancelled. The cancellation left the Government of Puerto Rico with a US$59 million debt to the contractor, Skanska, and opened the way for the PNP's alternative project, Gasoducto del Norte. However, after strong environmental and popular opposition to the Gasoducto del Norte project, on 11 October 2012, the Puerto Rico Electric Power Authority (AEE) withdrew the entire Gasoducto del Norte Gsoducto del Norte permit application from the U.S. Army Corps of Engineers evaluation process, thereby stalling approval of the proposed pipeline indefinitely.

Example Output:
a