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: "what is the pyramid building in san francisco?" whose answer is Transamerica Pyramid.
Each document should contain about 30 words, and these documents should contain useful information.

Query: pyramid building san francisco
Useful Output:

Doc 1: At over 850 feet high, back then it was the tallest building San Francisco had ever seen. It has over 3,000 windows, an exterior of white
Doc 2: the Transamerica Pyramid, built on a foundation of white-hot controversy, still rose high at the end of Columbus Avenue — and emerged as an
Doc 3: 1. The Transamerica Pyramid was opened in 1972 as San Francisco's tallest building and the 8th tallest in the world.
Doc 4: UK studio Foster + Partners has renovated the modernist Transamerica Pyramid skyscraper in San Francisco, USA, restoring elements from the original design.
Doc 5: When William Pereira's Transamerica Pyramid opened in 1972 the San Francisco Chronicle dubbed it “the world's largest architectural folly.