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.

Input: Consider Input: Question: When was the Empire that dominated the People of Totanac ethnicity formed? Passage:Totonacapan refers to the historical extension where the Totonac people of Mexico dominated, as well as to a region in the modern states of Veracruz and Puebla. The historical territory was much larger than the currently named region, extending from the Cazones River in the north to the Papaloapan River in the south and then west from the Gulf of Mexico into what is now the Sierra Norte de Puebla region and into parts of Hidalgo. When the Spanish arrived, the Totonac ethnicity dominated this large region, although they themselves were dominated by the Aztec Empire. For this reason, they allied with Hernán Cortés against Tenochtitlán. However, over the colonial period, the Totonac population and territory shrank, especially after 1750 when mestizos began infiltrating Totonacapan, taking political and economic power. This continued into the 19th and 20th centuries, prompting the division of most of historical Totonacpan between the states of Puebla and Veracruz. Today, the term refers only to a region in the north of Veracruz were Totonac culture is still important. This region is home to the El Tajín and Cempoala archeological sites as well as Papantla, which is noted for its performance of the Danza de los Voladores.


Output: b


Input: Consider Input: Question: How many years did the Great Depression last? Passage:Originally from New Brunswick, Harrison graduated from Nova Scotia Agricultural College in 1922, and, in 1924, from the Ontario Agricultural College with a B.Sc. in agriculture. He earned an MSc in plant pathology from Macdonald Campus of McGill University a year later. A doctoral degree he started at the University of Toronto in 1929 was abandoned due to the Great Depression. He established a herbarium of mycological specimens where he was employed for many years at the Kentville Research Station (now the Atlantic Food and Horticulture Research Centre); most of his collections are now housed at the Canadian National Mycological Herbarium. His early research concerned the fungal infestation of plants, such as that of Colletotrichum lindemuthianum on beans (Phaseolus). Working with John Frederick DeWitt Hockey, they made many contributions to the control and prevention of diseases of horticultural crops. They were among the first to use the sticky slide spore trap to estimate the densities of fungal spores.


Output: b


Input: Consider Input: Question: How many wins did the coach Sonetti replaced for Brescia in 2008 have? Passage:More recently, Sonetti joined Cagliari on November 2005, replacing Davide Ballardini, becoming the fourth coach appointed by the Sardinian team in a couple of months. He succeeded in maintaining his job until the end of the tournament, and in leading the rossoblù to maintain a place in the next Serie A; he left Cagliari at the end of the season. On 14 November 2006, Sonetti was appointed to replace Attilio Tesser at the helm of then last-placed relegation-battling Serie A Ascoli. He did not manage to save his side from falling to Serie B, and ended his experience in Ascoli at the end of the season with a second-last place. On November 2007 he returned at Cagliari for his third time, as he was appointed to replace Marco Giampaolo at the helm of the Sardinians. He resigned from his post on 19 December, but was confirmed by the club the next day after Marco Giampaolo rejected to return at the helm of the club. However, Sonetti was sacked only a few days later, after a 5–1 loss to Fiorentina, leaving the team last-placed in the league table, being replaced by Davide Ballardini. From 25 September 2008, he has been called back to Brescia replacing Serse Cosmi. On 19 May 2009 he was sacked himself, following a 2–1 loss to promotion rivals Grosseto that left Brescia in fourth placed, but with only a two-point lead to 7th-placed Triestina.



Output: a