Sentence:The video then shows the [e1]damage[/e1] caused by the [e2]aircraft[/e2] as it hit the north tower, follows the disintegrating plane through the interior, and then shows the airplane metal, ignited fuel, dust and smoke exiting the building on the opposite side.
 e1: damage. 
 e2 : aircraft.
Answer: Cause-Effect(e2,e1)