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: Tod had an old dog named Fred. Fred was Todd's best friend. One day, Fred got sick. Tod took Fred to the doctor. The doctor gave Fred some medicine, and Fred got well again.
 selected sentence: Tod had an old dog named Fred.

Tod had a dog >Causes/Enables> Tod had an old dog named Fred