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:
I really like this lens. I use it on a D800.

Really sharp all around when stopped down to about f5.6. Useable wide open. Build quality is excellent, way better than the 50mm 1.8G for example.

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