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

Input:
Have always had trouble with golfers and tennis elbows.  Using this product has started to eliminate the pain in both elbows that has been there for the last twenty years.  For anyone who is in the construction industry, and has a constant pain in their elbows, you definitely need to get this product.  Depending on age and strength, find the color that works for you.  I purchased the red and the green.  Beings in my 60's, the red one is best for me.

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