Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
Grandson loves it......can't get him off the Razor.  Christopher is 7 years old and rides sand rails at Glamis so we were not afraid that he could not operate it, however, be careful as it is powerful. Arm and leg protection is a must.....its that fast!

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