TASK DEFINITION: Given a premise, an initial context, an original ending, and a new ending, the task is to generate the counterfactual context that is aligned with the new ending. Each instance consists of a five-sentence story. The premise is the first sentence of a story, and the second sentence, which is the initial context, provides more information about the story's context. The original ending is the last three sentences of the story. Also, you are given a new ending that can provide the new story with the same premise. You should write a counterfactual context to explain the small differences between the original and new endings. More specifically, a story context contains the general plot of the story. And a counterfactual context is a slight modification to the initial context. To sum up, you should write the second sentence of a story based on the premise(first sentence) and the new ending(last three sentences) of the story.
PROBLEM: Premise: We open our swimming pool every year in April. 
 Initial Context: We always find a few sacs of frog's eggs floating around in the water. 
 Original Ending: I use my pool net to fish them out and place them in a bucket. I put the bucket in my car and drive it to a nearby pond. When the eggs hatch the tadpoles will be in their new pond home. 
 New ending: I use my pool net to fish them out and place them in a bucket. I put the bucket in my car and drive it to a nearby desert. When the eggs hatch the baby lizards will be in their new desert home. 

SOLUTION: We always find lizard eggs floating around in the water.

PROBLEM: Premise: I woke up and decided to make breakfast. 
 Initial Context: I decided to eat rice. 
 Original Ending: I cooked it in a rush. It was uncooked and I got an upset stomach. I realized I should make sure my rice is cooked completely. 
 New ending: But I was hungry so I made rice after all. It was uncooked and I got an upset stomach. I realized I should make sure my rice is cooked completely. 

SOLUTION: I decided to not eat.

PROBLEM: Premise: On June 21, our building had to shut off water for repairs. 
 Initial Context: There are 250 units in the building, and people were upset. 
 Original Ending: The management opened up the clubroom and offered free lunch. They had sandwiches, chips, soda, and cookies. The party quieted the complaints until service was restored later. 
 New ending: The management opened up the clubroom and offered free lunch. They had sandwiches, chips, soda, and cookies. The party was great fun until service was restored later. 

SOLUTION:
There are 250 units in the building, and people were considerate.

