Part 1. Definition
You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.
Part 2. Example
Sentence: GOP leaders submitted the new offer Tuesday afternoon in an effort to appease Democrats, whose votes are needed to avert a shutdown of federal agencies, several House and Senate aides said. Question: Who has to be appeased to keep the government open?
Answer: Democrats.
Explanation: The sentence says that "Democrats" have to be appeased, which answers the question.
Part 3. Exercise
Sentence: The economic output of the metropolitan area alone is worth more than one third of national GDP around $6.5billion in terms of nominal GDP NR.s 550 billion approximately per year $2200 per capital income approx three times national average. 
Question: What is the GDP of Kathmandu?
Answer:
around $6.5 billion.