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.

Example Input: Sentence: Getting there requires a fairly steep hike from the Rim Drive trailhead . 
 Question: what is  required?
Example Output: a fairly steep hike from the Rim Drive trailhead ### a fairly steep hike

Example Input: Sentence: In a traditional ceremony , Command Sgt. Major Richard L. Ross , holding the division color with battle streamers , passed it to General Frederick M. Franks , Jr. , completing the official retirement of the division , and the 3rd Armored Division was removed from the official force structure of the U.S. Army . 
 Question: where was someone removed  from something?
Example Output: In a traditional ceremony

Example Input: Sentence: It transforms back into Alan just in time for Pete to arrive and see Ed open the airlock . 
 Question: what does someone see?
Example Output:
Ed open the airlock