Task: Story Composition
Input (English): Premise: Greg was going for a nice walk in the mountains. 
 Initial Context: He was enjoying nature and all its glory. 
 Original Ending: He decided to take a hidden trail down the side of the main one. He started to slowly look around and head back to the main trail. Through the bushes Greg Spotted a mountain lion and ran back to safety. 
 New ending: He decided to sit near a hidden trail that went down the side of the main one. He started to slowly look around and decided to head back to the main trail. Through the bushes Greg spotted a mountain lion and ran back to safety. 
Output (English): He was too tired to walk and stopped.