Task: Story Composition
Input (English): Premise: Gary went on vacation to the Grand Canyon. 
 Initial Context: He had not been there since he was a child. 
 Original Ending: While there, he was bitten by a snake. He got very sick but did not die. Gary will never go back to the Grand Canyon. 
 New ending: He was bitten by a snake when he came to the Grand Canyon as a child. He got very sick but did not die. Gary will never go back to the Grand Canyon. 
Output (English): He only saw the Canyon from his car, though.