It was a popular and common gift this year, so he headed to the what where it would be easy to find?\nOptions:\n- christmas tree\n- christmas stocking\n- specialty store\n- department store\n- closet
Let's think carefully first. Step-by-step reasoning process:
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A department store is a large shop stocking many varieties of goods in different departments. A popular and common gift will come under a variety of goods. So the final answer is department store.
Assistant