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:
I am in love with these headphones. lol

They actually increase the volume of whatever you are watching. My laptop's volume even at very high is hard to hear, but when use the headphones the volume is increased. very pleased so far.

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