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: RFID Door Access Control System Kit, AGPtEK Home Security System With 280kg 620LB Electric Magnetic lock 110-240V AC to 12v DC 3A 36w Power Supply Proximity Door Entry keypad 10 Key Fobs EXIT Button
Product 2: UHPPOTE Full Complete Waterproof Outdoor Use 125KHz RFID EM ID Card Single-door Stand-alone Access Control Kit

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: C