Task: Story Composition
Input (English): Premise: Isaac bought a new china vase. 
 Initial Context: He sat it on the shelf in his dining room. 
 Original Ending: He opened his windows to let in the spring breeze. Then he heard a loud crash. A bird had flown in and tipped the vase onto the floor. 
 New ending: He was sitting in the other room. He heard a loud crash His dog had run in and tipped the vase onto the floor 
Output (English): He sat it on the middle of the credenza with a hutch away from the window.