Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
Great viewing in HD quality. Fast focus and great field of view. Haven't had a chance to take them out and really get the clarity of long range viewing. I'll do an update at a later time.

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