Task: Sentiment_Analysis
Instruction: Determine the sentiment expressed by the user in her review from the provided choices, and respond by selecting one of the available options.

Input:
By far the warmest socks I have ever owned.  My feet stay very toasty even during the Chicago brutal winter and the blizzard we just had.  Feet stay dry and they extend slightly up the calf for a little extra warmth.

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