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

Input:
My son suffers from Reynauds and playing soccer in the winter can be excruciating - these gloves are a life saver! Doesn't interfere with play, but keeps him warm the entire game.

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