Which of the following is not a true statement about the rock cycle?

- A sedimentary rock can be buried to depths that cause it to metamorphose.
- A metamorphic rock can be buried to depths inside the Earth that the rock is melted into an igeneous rock.
- An igneous rock can form inside the Earth as it crystallizes and cools off or it can be deposited on the Earth's crust as lava where it crystallizes and cools off.
- All of the above are true statements about elements.

Please explain!