He needed a stapler and index card, he figure where would be the best place to purchase them?\nOptions:\n- oral report\n- book store\n- library\n- card catalogue\n- office supply store
Let's think carefully first. Step-by-step reasoning process:
User
Office supply store is a supply store for consumables. He needed a stapler and index card, he figured office supply store will be the best place to purchase. So the final answer is office supply store.
Assistant