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: In 1998 we had to get uniforms for my son. The store was located in an unfamiliar area. We got lost and ended up in a rough section of town. A kind old man showed us the way. I was pleased when the GPS became popular.
 selected sentence: In 1998 we had to get uniforms for my son.

My son is required to get uniforms >Causes/Enables> We have to get uniforms for my son