Task: Story Composition
Input (English): Premise: Sam wanted to go to the park. 
 Initial Context: His mom told him it was going to rain. 
 Original Ending: Sam didn't believe her. When Sam got to the park it started to rain. He went back and apologized to his mom for not believing her. 
 New ending: Sam decided to go back to the park to walk his dog but his mom told him it was going to rain. When Sam got to the park it started to rain. He went back and apologized to his mom for not believing her. 
Output (English): Sam had a great time at the park and went home.