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:
Great product.  Plenty big for two little ones - my grandchildren are ages 5 and 6 and can jump alone or together.  Takes a couple of people to assemble, so be prepared for that.  One person could not do it alone.

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