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

Input:
Took these on a trip to Alaska in the summer - needed them when the weather got down into the 30s in the mountains. worked great. used them back home when the weather was a bit warmer. Somehow, these things keep you warm but not HOT. great product at a great price.

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