In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

Q: Who has studied the Mahayana?, Context: There is no evidence that Mahāyāna ever referred to a separate formal school or sect of Buddhism, but rather that it existed as a certain set of ideals, and later doctrines, for bodhisattvas. Initially it was known as Bodhisattvayāna (the "Vehicle of the Bodhisattvas"). Paul Williams has also noted that the Mahāyāna never had nor ever attempted to have a separate Vinaya or ordination lineage from the early schools of Buddhism, and therefore each bhikṣu or bhikṣuṇī adhering to the Mahāyāna formally belonged to an early school. This continues today with the Dharmaguptaka ordination lineage in East Asia, and the Mūlasarvāstivāda ordination lineage in Tibetan Buddhism. Therefore Mahāyāna was never a separate rival sect of the early schools. From Chinese monks visiting India, we now know that both Mahāyāna and non-Mahāyāna monks in India often lived in the same monasteries side by side.

A: Paul Williams
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Q: What event caused a potential change in presidental leadership, Context: The House of Representatives currently has 59 members elected for a five-year term, 56 members by proportional representation and 3 observer members representing the Armenian, Latin and Maronite minorities. 24 seats are allocated to the Turkish community but remain vacant since 1964. The political environment is dominated by the communist AKEL, the liberal conservative Democratic Rally, the centrist Democratic Party, the social-democratic EDEK and the centrist EURO.KO. In 2008, Dimitris Christofias became the country's first Communist head of state. Due to his involvement in the 2012–13 Cypriot financial crisis, Christofias did not run for re-election in 2013. The Presidential election in 2013 resulted in Democratic Rally candidate Nicos Anastasiades winning 57.48% of the vote. As a result, Anastasiades was sworn in on and has been President since 28 February 2013.

A: the 2012–13 Cypriot financial crisis
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Q: Who fought in the Ogaden War?, Context: Somali people in the Horn of Africa are divided among different countries (Somalia, Djibouti, Ethiopia, and northeastern Kenya) that were artificially and some might say arbitrarily partitioned by the former imperial powers. Pan-Somalism is an ideology that advocates the unification of all ethnic Somalis once part of Somali empires such as the Ajuran Empire, the Adal Sultanate, the Gobroon Dynasty and the Dervish State under one flag and one nation. The Siad Barre regime actively promoted Pan-Somalism, which eventually led to the Ogaden War between Somalia on one side, and Ethiopia, Cuba and the Soviet Union on the other.

A:
Somalia on one side, and Ethiopia, Cuba and the Soviet Union on the other
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