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 largest tree in the united states?" whose answer is a giant sequoia.
Each document should contain about 30 words, and these documents should contain useful information.

Query: largest tree in the united states by volume
Useful Output:

Doc 1: The General Sherman Tree is the world's largest tree, measured by volume. It stands 275 feet (83 m) tall, and is over 36 feet (11 m) in diameter at the base.
Doc 2: Largest. edit. The General Sherman, a California giant sequoia, is the largest tree by volume. Further information: List of largest giant sequoias. The largest
Doc 3: The largest tree in the world is a giant sequoia which is called General Sherman. It has a volume of 1,486m3 making it the tree with the
Doc 4: Called General Sherman, the tree is about 52,500 cubic feet (1,487 cubic meters) in volume. That's the equivalent of more than half the volume
Doc 5: The largest tree in Missouri is a bald cypress located on private property in New Madrid county. This tree is 111 feet tall, and is 27 feet in circumference,