You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who was the first european to reach china?" whose answer is A Roman diplomat or merchant.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first european to reach china
Useful Output:

Doc 1: Answer: Marco Polo is the first European who reached China first. hope it helps you :-) ✌ Explore all similar answers
Doc 2: We follow the tracks of great China explorers and revisit their accounts of life behind the Great Wall.
Doc 3: Marco Polo lived and worked in western China, visiting the provinces of Shensi (Shaanxi), Szechwan (Sichuan), and Yunnan, as well as the borders
Doc 4: Jorge Álvares was the first Portuguese explorer to reach China in 1513, where they established a small colony called Tamão somewhere along
Doc 5: The first Europeans to get to China by sea during the Age of Exploration were Jorge Alvares, a Portuguese navigator, and his two companions.