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: Avery is going to the zoo for the first time today! When she gets to the zoo, she heads to see the bear first. The bear is nowhere to be found! She finds the bear in the monkey cage where he doesn't belong! She watches as the zookeepers carefully get the bear back to his cage!
 selected sentence: The bear is nowhere to be found!

Avery heads to see the bear first >Causes/Enables> The bear is nowhere to be found