Task: Story Composition
Input (English): Premise: John notices that the weather warns of rain later this week. 
 Initial Context: He decides to buy an umbrella to be ready for the rain. 
 Original Ending: When it rains, John uses his umbrella to stay dry. His coworkers are all wet from the rain. John is glad he saw the weather warning. 
 New ending: When it rains, John has nothing to stay dry. His coworkers are all wet from the rain too. John is upset that he forgot his umbrella. 
Output (English): He forgets to bring his umbrella in preparation for the rain.