Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
Have had tennis elbow for 3 months.  Grabbing anything would cause a twinge.  Bought this, did the Tyler Twist.  Next day, 90% better.  It hurts doing it, but it works.  4 sets of 15.  Worth the money.  Fast shipping and instructions

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