It is designed to move with a motor. It is constructed from machine-made parts. It is made of more than one simple machine. It is built from more than one type of material.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of the following statements best describes a complex machine?
Possibilities:
- It is designed to move with a motor.
- It is constructed from machine-made parts.
- It is made of more than one simple machine.
- It is built from more than one type of material.

It is made of more than one simple machine.