Instruction: Analyze the user's review text and determine the overall sentiment expressed, then choose the corresponding sentiment option from the provided list (A: very positive, B: positive, C: neutral, D: negative, E: very negative) based on the identified sentiment.

Input:
this band kept the water out of my son's ears so no ear infections while swimming!  stayed in place and was easy enough for my 6yr old to put on by himself.

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