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

Input:
Ab wheels are the absolute best product for building ab strength, they work well, are cheap, and small and easy to store. I'm happy with the one I bought. One word of warning, if you're just starting take it very easy and find online instructions, you can easily injure yourself if this is used incorrectly.

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