Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
Rcbs makes quality stuff, and has the best customer service I ever delt with. Amazon had this shipped quickly.

This shell holder only has one job, and does it with a 5 star rating.

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