Task: Story Composition
Input (English): Premise: John and Kathy went to the park to have a picnic. 
 Initial Context: They were enjoying nice weather and food. 
 Original Ending: While they were sitting in the grass, Kathy found a ring. She found out it was golden ring. The jeweler told them it is worth ten thousand dollars. 
 New ending: While they were cleaning up the house, Kathy found a ring. She found out it was golden ring. The jeweler told them it is worth ten thousand dollars. 
Output (English): They were enjoying the food when it rained so they had to went back home.