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:
I like how it locks and unlocks where the binder part is to hold the sleeves. Its easy. Its pretty sturdy for being so big.

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