Task: Question Answering
Input (English): Context: I needed to see my children . So I was . Traveling by floo was never very entertaining , and when I came tumbling about at the specified address I was covered with soot . But I managed to get it off quickly . " Acacia , " I called desperately , looking about these foreign surroundings . 
Question: What causes you to be covered in soot ?
Output (English): When traveling by floo one incurs a great deal of dust and soot and that collects on the clothing.