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

Input:
My Dad took this on a week-long canoe camping trip in Canada.  He raved about it when he got home.  He has a balky back and this provided good support when he needed it.  Well made, easy to attach and light weight.

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