Convert a disfluent question to a proper question. 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: What has the presence of hox genes believe that ctenophores are the sister lineage to what been the focus of for many years?

Output: What has the presence of hox genes been the focus of for many years?


Input: Consider Input: What forces can be displaced oh no modeled using ideal mass strings?

Output: What forces can be modeled using ideal mass strings?


Input: Consider Input: What was or what declined when Arab nationalism suffered?


Output: What declined when Arab nationalism suffered?