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

Input:
As many of the thing I buy , these are gifts.  But the persons I gift them to, have said to me that the lenght is perfect, and they function as expected.

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