Read the following context and choose the best option to answer the question.
Context: She sent me a really sweet card a few months ago . I did n't know her as well as some of my other friends , but I knew her well enough to know that she was a kind and very gentle person . Andrew , Erin , Stacy , everyone , I ' m really sorry you lost Tamara .
Question: How good of a friend was the narrator to Tamara ?
Options: 
- A dear friend .
 - A very close friend .
 - Just an acquaintance .
 - A casual friend .


A casual friend .