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.

proper question: What has a classification system for construction companies? 
 disfluent question: What has a category no make that a classification system for construction companies? 
 context: The Standard Industrial Classification and the newer North American Industry Classification System have a classification system for companies that perform or otherwise engage in construction. To recognize the differences of companies in this sector, it is divided into three subsectors: building construction, heavy and civil engineering construction, and specialty trade contractors. There are also categories for construction service firms (e.g., engineering, architecture) and construction managers (firms engaged in managing construction projects without assuming direct financial responsibility for completion of the construction project).
Standard Industrial Classification

proper question: What type of outlook do some of the non-Muslims in London have? 
 disfluent question: How many er what type of outlook do some of the non-Muslims in London have? 
 context: Greater London has over 900,000 Muslims, (most of South Asian origins and concentrated in the East London boroughs of Newham, Tower Hamlets and Waltham Forest), and among them are some with a strong Islamist outlook. Their presence, combined with a perceived British policy of allowing them free rein, heightened by exposés such as the 2007 Channel 4 documentary programme Undercover Mosque, has given rise to the term Londonistan. Following the 9/11 attacks, however, Abu Hamza al-Masri, the imam of the Finsbury Park Mosque, was arrested and charged with incitement to terrorism which has caused many Islamists to leave the UK to avoid internment.[citation needed]
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proper question: If he was arrested, what would happen to the leaflets that were handed out by Carter Wentworth in court 
 disfluent question: If he was arrested, what would happen to the leaflets that were handed out by Schoon or make that by Carter Wentworth in court? 
 context: Courts have distinguished between two types of civil disobedience: Indirect civil disobedience involves violating a law which is not, itself, the object of protest, whereas direct civil disobedience involves protesting the existence of a particular law by breaking that law. During the Vietnam War, courts typically refused to excuse the perpetrators of illegal protests from punishment on the basis of their challenging the legality of the Vietnam War; the courts ruled it was a political question. The necessity defense has sometimes been used as a shadow defense by civil disobedients to deny guilt without denouncing their politically motivated acts, and to present their political beliefs in the courtroom. However, court cases such as U.S. v. Schoon have greatly curtailed the availability of the political necessity defense. Likewise, when Carter Wentworth was charged for his role in the Clamshell Alliance's 1977 illegal occupation of the Seabrook Station Nuclear Power Plant, the judge instructed the jury to disregard his competing harms defense, and he was found guilty. Fully Informed Jury Association activists have sometimes handed out educational leaflets inside courthouses despite admonitions not to; according to FIJA, many of them have escaped prosecution because prosecutors have reasoned (correctly) that if they arrest fully informed jury leafleters, the leaflets will have to be given to the leafleter's own jury as evidence.

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