Definition: In this task, you are given a sentence and question which can be answered using the sentence. Your task is to answer the question using the information from the sentence. The answer to the question is unique and it is a continuous text span from the sentence.
Input: Sentence: The facades were covered with fresh multicolor paintwork , greatly enhancing the external appearance of the buildings . 
 Question: what was  enhanced?
Output:
the external appearance of the buildings