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In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it. Your job is to determine which sentence(s) from the passage can be used to search for further information needed to answer the question.

Question: At what age did Bonham earn his master's? Passage:Thomas Bonham had been admitted to St John's College, Cambridge, in 1581. Earning a bachelor's degree in 1584, he completed a master's by 1588 and studied for a medical doctorate at Cambridge, which was later granted by the University of Oxford. By 1602, he had completed his studies and moved to London, where he practised medicine and associated himself with the Barber-Surgeons' Company, campaigning for it to be allowed to authorise medical practitioners in a similar way to the College of Physicians. Apparently giving up after a failed petition to Parliament in 1605, Bonham petitioned to join the college on 6 December 1605 but was rejected and told to return after further study. Returning on 14 April 1606, he was again told he could not join and was fined 5 () and threatened with imprisonment for continuing to practise. Bonham still kept working as a doctor; on 3 October it was announced he was to be arrested and fined 10. Bonham again appeared before the college, now with a lawyer, on 7 November. He announced that he would continue to practise without seeking the college's permission, which he claimed had no power over graduates of Oxford or Cambridge. He was then imprisoned (some say at Fleet Prison, and some say at Newgate Prison) for contempt, but his lawyer had a writ of habeas corpus, issued by the Court of Common Pleas, which freed him on 13 November.

Output:
Earning a bachelor's degree in 1584, he completed a master's by 1588 and studied for a medical doctorate at Cambridge, which was later granted by the University of Oxford