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 was the wheel first used in egypt?" whose answer is 4th Dynasty.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the wheel first used in egypt
Useful Output:

Doc 1: Wheels in Ancient Egypt. It is likely the wheel reached Ancient Egypt from Asia around 1500 BCE. The Egyptians used chariots for military
Doc 2: Egypt was quick to adopt the wheel. As early as 400 BCE, Nubians used wheels for spinning pottery and as water wheels. Wheelbarrows. Chinese
Doc 3: The earliest known examples of wooden spoked wheels are in the context of the Sintashta culture, dating to c. 2000 BCE (Krivoye Lake).
Doc 4: Imagine a time machine has transported you back about 5,000 years to ancient Egypt, and you're watching a crew of workers wrestle with a big
Doc 5: The Egyptians were the first to use the spoked wheel in 2000 BC, allowing for much faster speed. From there, the wheel was largely unimproved