In this task, you are given a sentence and a verb from the sentence. Your task is to generate a set of wh-questions starting with who, what, when, where, why, how, how much. The generated questions must contain the verb and the answers to these questions are phrases in the input sentence. The answer to the questions is associated with a specific semantic role. The answer to these questions is associated with a specific semantic role. The questions must use pronouns instead of direct nouns that could be used to refer to various roles present in the sentence. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is unique (iii) its answer is a continuous text span from the paragraph.
Example: Sentence: The album is named after the discredited pseudoscience of phrenology , the study of head shapes to determine intelligence and character , which was used to rationalize racism during the 19th century in the United States .
 Verb: named
Example solution: what is  named  after something?
Example explanation: It contains the verb named which is given in the input. It is a question that starts with a ‘wh’ word. The answer to this question is the album and it can be found in the sentence. Also, it does not use any nouns from the sentence but uses something which is a pronoun to refer to one of the roles present.

Problem: Sentence: The facades were covered with fresh multicolor paintwork , greatly enhancing the external appearance of the buildings . 
 Verb: enhancing

Solution: what was  enhanced?