Task: Question Answering
Input (English): Looking into the future, an excellent extension from the works surveyed in this paper would be to give more independence to the several learning methods (e.g. less human intervention) involved in the studies as well as increasing the size of the output images. 
 Question: What challenges remain unresolved?
Output (English): give more independence to the several learning methods (e.g. less human intervention) involved in the studies increasing the size of the output images