Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? 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.
Input: story: No one in town would trust Joe to build a house for them. He built every house out of concrete and everyone liked wood. A tornado went through the town and destroyed all the wood houses. The only houses left were the concrete ones that Joe built. Now everyone goes to Joe whenever they want a house.
 selected sentence: The only houses left were the concrete ones that Joe built.

A tornado went through the town and destroyed all the wood houses >Causes/Enables> The only houses left were the concrete ones that Joe built