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's boss told her to write the week's specials on the chalkboard. She picked up a blue piece of chalk and began to write. When she was done her hands were covered in chalk. Sam went to the bathroom to wash it all off. She cleaned her hands but her shirt was still dusty.
 selected sentence: She picked up a blue piece of chalk and began to write.

Sam's boss tells Sam to write on the chalkboard >Causes/Enables> Sam picks up a blue piece of chalk and begins to write