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.
Q: proper question: Le grand states that students studying civil disobedience will often run into grammatical niceties and what other problem? 
 disfluent question: Le grand states that students studying civil disobedience will often run into grammatical niceties and maze of semantical what other problem? 
 context: LeGrande writes that the formulation of a single all-encompassing definition of the term is extremely difficult, if not impossible. In reviewing the voluminous literature on the subject, the student of civil disobedience rapidly finds himself surrounded by a maze of semantical problems and grammatical niceties. Like Alice in Wonderland, he often finds that specific terminology has no more (or no less) meaning than the individual orator intends it to have. He encourages a distinction between lawful protest demonstration, nonviolent civil disobedience, and violent civil disobedience.
A: 
semantical