It just opened and Sierra is in HEAVEN ! My parents met us there and they loved on the puppies as well . We all then went to Angel 's place and the kids went swimming .
According to the above context, choose the best option to answer the following question.
Question: What was the cause of Sierra 's enjoyment ?
Options:
- Getting to see Angel .
 - Seeing all the cats .
 - Seeing her parents .
 - Seeing all the puppies .


Seeing all the puppies .