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.

Sentence: As for punishment , intoxication may be a mitigating factor that decreases a prison or jail sentence . 
 Verb: decreases
what may  decrease something?

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

Sentence: 23.60 % of all households were made up of individuals and 8.40 % had someone living alone who was 65 years of age or older . 
 Verb: had

what did someone have?