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:
My son could demolish an anvil, so I am always concerned when buying his gear for swim team.  These are still together after several months of swimming.  So, I give them a thumbs up.

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