Instruction: What is the relevance between the query and the product title below? Answer from one of the options.

Input:
Query: mesh routers
Product: AmpliFi HD WiFi System by Ubiquiti Labs, Seamless Whole Home Wireless Internet Coverage, HD WiFi Router, 2 Mesh Points, 4 Gigabit Ethernet, 1 WAN Port, Ethernet Cable, Replaces Router & WiFi Extenders

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: A: The product is relevant to the query, and satisfies all the query specifications.