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.

[Q]: story: John had a headache. He was scared it was the beginning of the flu. He took some headache medicine and went to bed. When he woke up the headache was better. He was so glad to not have the flu.
selected sentence: He took some headache medicine and went to bed.
[A]: John goes to bed >Causes/Enables> John wakes up

[Q]: story: Tom was dogsitting for a friend. He accidentally let it out. The dog ran away. It was never seen again. Tom had to buy them a new dog.
selected sentence: He accidentally let it out.
[A]: Tom accidentally lets the dog out >Causes/Enables> The dog runs away

[Q]: story: John wanted to learn how to play the violin. He went to the music store to buy one. He selected a cheap model that he thought would do for a beginner. He started practicing and two strings broke right away. John went back to the store and bought a better violin.
selected sentence: He selected a cheap model that he thought would do for a beginner.
[A]:
John selects a violin >Causes/Enables> John buys the violin