Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
I have lifted weights for 15 years and thought the level 1 would be cake but it is just right. Challenging but not impossible. This is the best gripper I've ever used, love it!

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