In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
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Question: The person who later stated in an affidavit that he was an alcoholic was a?, Context: The patent examiner, Zenas Fisk Wilber, later stated in an affidavit that he was an alcoholic who was much in debt to Bell's lawyer, Marcellus Bailey, with whom he had served in the Civil War. He claimed he showed Gray's patent caveat to Bailey. Wilber also claimed (after Bell arrived in Washington D.C. from Boston) that he showed Gray's caveat to Bell and that Bell paid him $100. Bell claimed they discussed the patent only in general terms, although in a letter to Gray, Bell admitted that he learned some of the technical details. Bell denied in an affidavit that he ever gave Wilber any money.

Answer: patent examiner


Question: Where was the Sugauli Treaty negotiated?, Context: The aggressive policies of Lord Wellesley and the Marquis of Hastings led to the Company gaining control of all India (except for the Punjab and Sindh), and some part of the then kingdom of Nepal under the Sugauli Treaty. The Indian Princes had become vassals of the Company. But the expense of wars leading to the total control of India strained the Company's finances. The Company was forced to petition Parliament for assistance. This was the background to the Charter Act of 1813 which, among other things:

Answer: Sugauli


Question: Where is Genghis Khan buried?, Context: Years before his death, Genghis Khan asked to be buried without markings, according to the customs of his tribe. After he died, his body was returned to Mongolia and presumably to his birthplace in Khentii Aimag, where many assume he is buried somewhere close to the Onon River and the Burkhan Khaldun mountain (part of the Kentii mountain range). According to legend, the funeral escort killed anyone and anything across their path to conceal where he was finally buried. The Genghis Khan Mausoleum, constructed many years after his death, is his memorial, but not his burial site.

Answer:
close to the Onon River