Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
Unit is better than described, works perfectly. Shipping carton was almost destroyed, but seller had packed unit so well, there was no damage. I am well satisfied.

Options:
A: very positive
B: positive
C: neutral
D: negative
E: very negative
Answer: A: very positive