Given a premise, an initial context, an original ending, and a counterfactual context, the task is to generate a new story ending aligned with the counterfactual context and as close to the original ending as possible. 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 and the story's general plot. The original ending is the last three sentences of the story. Also, a counterfactual context is a slight modification to the initial context. You should write a new story ending that edits the original story ending as little as possible to regain coherence with the counterfactual context. To sum up, you should write the last three sentences of a story based on the premise(first sentence) and the counterfactual context(second sentence) of the story.
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Question: Premise: Brian was having frequent backaches.
Initial Context: He was visiting his doctor often.
Original Ending: His doctor suggested that he buy a new mattress. Brian took his advice and purchased a sleep number mattress. He hasn't had a backache since his new purchase.
Counterfactual Context: He didn't want to visit the doctor though.

Answer: His friend suggested that he buy a new mattress. Brian took his advice and purchased a sleep number mattress. He hasn't had a backache since his new purchase.

Question: Premise: The teacher told the students not to bring any snacks to school.
Initial Context: They had a student with peanut allergies.
Original Ending: So this could not be risked. Jim brought in peanut butter crackers on accident. The child ate one and went into shock.
Counterfactual Context: The teacher did not like to clean up the mess.

Answer: She would get furious so this could not be risked. Jim spilled peanut butter crackers by accident. The child saw the mess and went into shock.

Question: Premise: Nancy was bad about eating leftovers.
Initial Context: She would usually let them go bad in the fridge.
Original Ending: She decided to make sure and eat her leftover lasagna. She left it on the counter while she ducked outside. The dog ran in and gobbled it up.
Counterfactual Context: She looked in the fridge to see if there was anything to eat and, again, she had let her leftovers go bad.

Answer:
She decided to make some lasagna. She left it on the counter while she ducked outside. The dog ran in and gobbled it up.