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

Input:
Taiwan is known for it good technology advance in Asia though people only know Japan or Korea as the "tech." countries.
This made in Taiwan microSD Memory card works very well!

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