Instruction: Predict whether two products are similar, whether two products are likely to be purchased or viewed together based on their titles. Choose your answer from the provided options.

Input:
Product 1: APC UPS Battery Backup &amp; Surge Protector, 550VA, APC Back-UPS (BE550G)
Product 2: HPPFOTRS Operator headset accessories HPP-11 Training Adapter for two new training monitor telephone Headset Training Switch Adapter for Nortel Meridican, Norstar, Avaya, Ashtra, Mitel, Polycom, Ge and Other Ip Phone

Options:
A: Users who buy product 1 may also buy product 2.
B: Users who view product 1 may also view product 2.
C: The product 1 is similar with the product 2.
Answer: A