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: Sam was so excited about getting the newest phone. He decided to get to the store when it opened so he could be first. Other people had the same idea. Sam had to wait in line for hours. When it was finally his turn, the phone was sold out.
 selected sentence: Sam was so excited about getting the newest phone.

The newest phone is going on sale >Causes/Enables> Sam is excited to get it