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

Example Input: What is fundamental to the function of the airport that has yet to be obtained?, Context: The UK government has spent £250 million in the construction of the island's airport. Expected to be fully operational early 2016, it is expected to help the island towards self-sufficiency and encourage economic development, reducing dependence on British government aid. The airport is also expected to kick start the tourism industry, with up to 30,000 visitors expected annually. As of August, 2015 ticketing was postponed until an airline could be firmly designated.
Example Output: airline

Example Input: 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:
Example Output: Sugauli

Example Input: How did Luther's teaching about the afterlife compare to other theologians?, Context: The Lutheran theologian Franz Pieper observed that Luther's teaching about the state of the Christian's soul after death differed from the later Lutheran theologians such as Johann Gerhard. Lessing (1755) had earlier reached the same conclusion in his analysis of Lutheran orthodoxy on this issue.
Example Output:
differed