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:
Enjoyed by my grandson who is a Fan of the 49ers.  I thought it would have been sturdier, but as it is, the 'signage' is okay for a teenager.

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