Instruction: Given the user's review, identify the user's sentiment from the listed options. Answer using one of the options.

Input:
Not as big as I would like, but functions and streams perfectly.  I particularly enjoyed using it on a recent trip, easy to fit into my purse, and no trouble at all accessing wifi in airports.

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