narrative: Stan stole all of his co-worker's pens. He replaced all the black inks with red ink. Stan put back all the pens and waited. The co-worker was very angry when he discovered this prank. Stan did not take credit because of how angry the co-worker was.
question: Why did He replace all the black inks with red ink?
original_sentence_for_question: He replaced all the black inks with red ink.
answer: the co-worker was really angry.
original_narrative_form: Stan stole all of his co-worker's pens. He replaced all the black inks with red ink. Stan put back all the pens and waited. The co-worker was very angry when he discovered this prank. Stan did not take credit because of how angry the co-worker was.
question_meta: rocstories_narrative_11090_sentence_1_question_1