narrative: Saturday was Kelly's birthday. She assumed no one cared about her birthday. She came home however and found all her friends waiting for her. They all yelled surprise. Kelly laughed and couldn't believe they remembered.
question: Why did Kelly laugh ?
original_sentence_for_question: Kelly laughed and couldn't believe they remembered.
answer: she couldn't believe they had remembered.
original_narrative_form: Saturday was Kelly's birthday. She assumed no one cared about her birthday. She came home however and found all her friends waiting for her. They all yelled surprise. Kelly laughed and couldn't believe they remembered.
question_meta: rocstories_narrative_13055_sentence_4_question_1