What evidence best conveys the author's viewpoint on the Egyptians' ingenuity?
"To reduce friction, they poured water on the sand. Using these methods, they were able to pull giant rocks up the steep slopes…"
"The pyramids of Egypt are amazing examples of human imagination."
"The Great Pyramid in Giza is an excellent example of this."
"The actual construction of the pyramids has baffled historians for years."