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

Input:
SOUND IS VERY CLEAR AND SONY HEADPHONES ARE VERY COMFORTABLE....MY 4 YEAR OLD GRANDSON USED THEM .....I WOULD RECOMMEND TO ANYONE YOUNG OR OLD THAT LIKE'S QUALITY SOUND.....

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