Instruction: Determine the relevance between the query and the product title provided, and select your response from one of the available options.

Input:
Query: power supply
Product: Belker 45W 5V 6V 7.5V 9V 12V 13.5V 15V Universal AC DC Power Supply Adapter for Household Electronics LED Light Strip - 1A 2A 3A 3000mA Amp - Fast USB Charging Port 5V 2A 2.4A

Options:
A: The product is relevant to the query, and satisfies all the query specifications.
B: The product is somewhat relevant. It fails to fulfill some aspects of the query but the product can be used as a functional substitute.
C: The product does not fulfill the query, but could be used in combination with a product exactly matching the query.
D: The product is irrelevant to the query.
Answer: C: The product does not fulfill the query, but could be used in combination with a product exactly matching the query.