Which of the following two-dimensional shapes are made using only curved lines? And which use only straight lines? oval, rectangle, square, pentagon, circle and rhombus.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which of the following two-dimensional shapes are made using only curved lines? And which use only straight lines? oval, rectangle, square, pentagon, circle and rhombus.

### Response:

The oval and circle are made using only curved lines.
The square, pentagon, rectangle and rhombus are made using only straight lines.