Use reasoning to lead to the answer of the following question:
In order to read a book what must you do to it?
Options:
- open up
- learn to read
- choose one
- get comfortable
- have time
 Reasoning process:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
To read a book, you must open it up. Therefore, the final answer is open up.