Instruction: Carefully assess the user's review for any strong expressions of sentiment, either positive or negative. Based on your analysis, select the most fitting sentiment option from the provided list as output.

Input:
good product but I prefer to tie a nail knot and apply a drop of superglue on the knot. Can't trust heating the shrink tube without damaging the fly line

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