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:
Great product works great on my Vivid I know have 70 gb of memory, my product was shipped on time and customer service responded quickly to my requests

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