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: Ronnie decided to make a surprise visit with his mom. They live about four hours apart. He filled his gas tank and his cooler for the trip. He passed the time by listening to his radio. Before he knew it he was already giving his mom a big hug.
 selected sentence: Before he knew it he was already giving his mom a big hug.

Ronnie decides to visit his mom >Causes/Enables> He gives his mom a big hug