Instructions: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen after that sentence. Is any of them directly caused by it, or is made possible by it? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible. Do not change the main selected sentence in your answer.
Input: story: It was very cold one night. Grandma didn't want to turn up the heat. The cats were cold. They climbed in bed with me. The cats spent a warm night with me, purring the whole time.
 selected sentence: It was very cold one night.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
It is cold >Causes/Enables> The cats are cold