Based on the context and the answer, generate a question. 

Context: Up until last night she was still really active , bright eyed and seemingly happy . Last night i heard this really loud banging coming from her cage and noticed she was having some kind of fit or seizure . She was flipping and banging against the sides of her little house so violently the roof had come off .

Answer:

The roof was unattached by an animal .



Why is the roof no longer there ?