Read the following context and choose the best option to answer the question.
Context: If I could do one thing over again regarding moving to Mexico . I would never had gotten rid of any books . We had at least 6 bookcases of books . We sold many of them and gave a lot of them away .
Question: What may be the reason for keeping the books ?
Options: 
- Now I have six bookcases with no books and it looks funny .
 - I would have used the books to fuel the fireplace in the winter .
 - Books are not as easy to find in Mexico as in the US .
 - I would have taken them to Mexico and sold them there .


Books are not as easy to find in Mexico as in the US .