Read the following context and choose the best option to answer the question.
Context: Even though I still feel like crap , and Libby seems to be coming down with the same illness ( sorry ! ) , we sucked it up and took a day trip to Cardiff , Wales . We saw the castle , a wall adorned with animals , Millennium Center ( ! ) , Cardiff Bay , heard Welsh and Welsh accents ( which we can all agree are awesome ) , and even visited the flagship Boots store !
Question: Why did they go to Cardiff ?
Options: 
- They wanted to have a quick vacation .
 - None of the above choices .
 - They wanted new boots .
 - They wanted to see a doctor for their illness .


They wanted to have a quick vacation .