Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
The Nissan insulated travel mug is great! It keeps your hot liquids hot for a long time. I usually fill it in the morning and sip from it for about 6 hours. Highly recommended for anyone who needs their drink kept hot!

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