Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
I'm happy with my purchase. The Live Gamer Portable does its job very well.
The software to run on PC is a bit heavy for my PC. Bit it work very well on PC free mode.

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