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.

[EX Q]: Question: What modern country is Calcutta part of? Passage:His plea was approved by the Shella Presbytery on 15 February. He left Shella on 18 February (Wednesday) and spent the following Sunday at Sylhet. He met Benjamin Aitken, an elder of Free Church of Scotland and sub-editor of Calcutta-based newspaper The Englishman, who volunteered to join him in his expedition. His frequent companion Kasinath, a young Assamese Christian who was preaching that afternoon, and one Khasi Christian U Khanai also joined him. On Monday 23 February the four set sail on a boat on Surma River, preaching to people along their journey. They spent Sunday 1 March at Silchar and moved the next day. On the third day they arrived at Jhalnacherra and spent a night at Alexandrapur tea garden where Mary Winchester was kidnapped by Mizo Warriors in 1871, the origin of British encounter with Mizos. On Thursday they continued their journey and after a week on Tlawng River, they reach Guturmukh (Kutbûl Kai in Mizo), a British telegraph station at the Tut River junction, on 11 March. Here they stayed for four days and saw the first thatched huts of Mizos at a distant hill top, including stockades used during the British military expedition. On Sunday 15 March afternoon they met roaming native Mizos for the first time in their boat ride. They were friendly boys between 10 and 15 years old from neighbouring village, Liankunga chiefdom. They exchanged salt and tobacco for the boys' yams and bananas. They gave them some boxes of matches, and Bible pictures. They also sang several songs to them which they "listened with their mouths open." On Monday afternoon they arrived at Changsil, where they camped among the military escort commanded by Captain Williamson. With the army they moved on Thursday to Sairang where they spent the night. Army horses arrived in the next morning and they headed for Aizawl ("Fort Aijal" as it was called). They reached Aizawl at noon on 20 March. They stayed there for four weeks, learning about Mizo lifestyle, distributing Bible pictures and preaching among non-Mizo such as Khasi, Manipuri, and Naga workers stationed there. Full of hope to return and start formal education and evangelism, they left Aizawl on 17 April. He published his appeal to open mission field in Lushai Hills in June and July 1891 issue of Y Goleuad. Welsh General Assembly at Machynlleth in June 1892 decided to adopt Lushai Hills as an extension of the Khasi Hills mission field. By then Williams had died of typhoid on 21 April 1892 at Mawphlang, some 25 km from Shillong city.

[EX A]: He met Benjamin Aitken, an elder of Free Church of Scotland and sub-editor of Calcutta-based newspaper The Englishman, who volunteered to join him in his expedition

[EX Q]: Question: What year was the university that Herz attended founded? Passage:Born in Berlin to very poor parents, Herz was destined for a mercantile career, and in 1762 went to Königsberg, East Prussia. He soon gave up his position as clerk and attended the University of Königsberg, becoming a pupil of Immanuel Kant, but was obliged to discontinue his studies for want of means. He thereupon became secretary to the wealthy Russian Ephraim, traveling with him through the Baltic Provinces. On August 21, 1770, he traveled from Berlin and acted as respondent when Kant presented his Inaugural dissertation at the University of Königsberg for the post of ordinary professor. In 1770 he had returned to Germany and studied medicine in Halle, where he became an MD in 1774, in which year he established himself in Berlin, being appointed physician at the Jewish hospital. Beginning in 1777, he delivered public lectures on medicine and philosophy, which were well attended by the students and the principal personages of the Prussian capital. At some of them even members of the royal family were present.

[EX A]: He soon gave up his position as clerk and attended the University of Königsberg, becoming a pupil of Immanuel Kant, but was obliged to discontinue his studies for want of means

[EX Q]: Question: Is Dover a port city? Passage:On 26 May 1940, Vivacious was chosen to participate in Operation Dynamo, the evacuation of Allied troops from Dunkirk, France, and she departed Dover that day in company with the light cruiser and the destroyers , , , , , and . She began patrols the following day to protect the evacuation beachhead from attacks by German aircraft and motor torpedo boats (S-boats, known to the Allies as "E-boats"). She made two trips from Dunkirk to Dover on 28 May 1940, evacuating 326 men on the first one and 359 on the second, and on 30 May 1940 she carried 537 more men from Dunkirk to Dover. German howitzers ashore fired on her on 31 May 1940 while she was off Bray-Dunes, France, inflicting 15 casualties on her crew. She took 427 more men from Dunkirk to Dover on 1 June 1940. She also took part in Operation OK on 3 June 1940, in which blockships were sunk to block the harbor at Dunkirk; she took aboard the crews of the sunken ships and brought them to Dover. One of those rescued from Dunkirk was the Rev Ivan Neill who would later become the Chaplain General.

[EX A]:
On 26 May 1940, Vivacious was chosen to participate in Operation Dynamo, the evacuation of Allied troops from Dunkirk, France, and she departed Dover that day in company with the light cruiser and the destroyers , , , , , and