Instruction: Analyze the user's review text and determine the overall sentiment expressed, then choose the corresponding sentiment option from the provided list (A: very positive, B: positive, C: neutral, D: negative, E: very negative) based on the identified sentiment.

Input:
I've used these in a 26 year old Eureka canister vacuum.
They performed better than the last aftermarket bags that I purchased.  I don't remember the last ones manufacturer.
Satisfied with these so far ( 10/2012).

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