Instruction: Assess the user's sentiment in the provided review and select the appropriate sentiment option from the list as the answer.

Input:
Not a bad sling swivel.  They mounted easily to my Marlin 795 and seem to be fairly durable.  I just wish they were made in the US.

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