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

Input:
NOW ALL OF OUR PORTABLE MEDIA DEVICES CAN GET PLUGGED INTO AN AMPLIFICATION SYSTEM SO THAT THE FAMILY CAN SHARE AND ENJOY OUR MUSIC IN ANOTHER SOURCE OTHER OUR HEADPHONES

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