Use a disfluent question or a proper question and find the answer to the question based on the given context or return None if an answer can't be found. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.

Input: Consider Input: proper question: Which country had trading posts in India after Britain? 
 disfluent question: Which chartered ah no sorry country had trading posts in India after Britain? 
 context: Britain's imperialist ambitions can be seen as early as the sixteenth century. In 1599 the British East India Company was established and was chartered by Queen Elizabeth in the following year. With the establishment of trading posts in India, the British were able to maintain strength relative to others empires such as the Portuguese who already had set up trading posts in India. In 1767 political activity caused exploitation of the East India Company causing the plundering of the local economy, almost bringing the company into bankruptcy.

Output: None


Input: Consider Input: proper question: Who do the lead authors prepare graphs and data for? 
 disfluent question: Who do the lead authors prepare writing er uh graphs and data for? 
 context: Each chapter has a number of authors who are responsible for writing and editing the material. A chapter typically has two coordinating lead authors, ten to fifteen lead authors, and a somewhat larger number of contributing authors. The coordinating lead authors are responsible for assembling the contributions of the other authors, ensuring that they meet stylistic and formatting requirements, and reporting to the Working Group chairs. Lead authors are responsible for writing sections of chapters. Contributing authors prepare text, graphs or data for inclusion by the lead authors.

Output: None


Input: Consider Input: proper question: How long had John Paul II been the pope in 1983? 
 disfluent question: When or no make that how long had John Paul II been the pope in 1983? 
 context: John Paul II's visits to his native country in 1979 and 1983 brought support to the budding solidarity movement and encouraged the growing anti-communist fervor there. In 1979, less than a year after becoming pope, John Paul celebrated Mass in Victory Square in Warsaw and ended his sermon with a call to renew the face of Poland: Let Thy Spirit descend! Let Thy Spirit descend and renew the face of the land! This land! These words were very meaningful for the Polish citizens who understood them as the incentive for the democratic changes.


Output: None