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: "when did the first white man came to nigeria?" whose answer is about 1485.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when the first white man came to Nigeria
Useful Output:

Doc 1: The first Europeans to interact significantly with Nigerians were the Portuguese in the late 15th century (around the 1470s). They were
Doc 2: The coast of Sierra Leone was known as the White Man's Grave because of this.  The first cabled news came through Reuters to Nigeria in 1910. The Nigerian
Doc 3: The first white man to visit Nigeria is called (A) captain Wydham (B) Jao Alfonso (C) Rude Sequira (D) Magreggor Liad?
Doc 4: The first white man to arrive in South Africa was Bartolomeu Dias, from Portugal, circa 1487. The Portuguese would continue to visit but not create settlements.
Doc 5: Christianity was present in Africa 1000 years before the first European Colonialists arrived on African shores.