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: Robert never knew what to give his wife for her birthday. So he asked his secretary to choose for him. He came home with a nice box packaged for his wife. She opened it and frowned. Inside was a card signed by his secretary telling her everything.
 selected sentence: She opened it and frowned.

Robert gives his wife a package >Causes/Enables> Robert's wife opens the package