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

Input:
My son learned to swim at the YMCA using this exact same bubble device.  So I bought it for him to use in other pools this summer.  It's great and it can hold kids up that weigh more than 50 lbs so it's good for bigger kids who are learning to swim.

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