Instruction: Analyze the query and product title to determine the relevance between the query and product, and select the appropriate option from the provided options.

Input:
Query: timing function
Product: Amarey A800 Robot Vacuum, 1400PA Super Suction, 2.7inch Super Thin, 100mins Long Lasting,Self-Charging, Timing Function, Multiple Cleaning Modes, Best Robot Vacuums for Pet Hair, Hard Floor, Carpet

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.