Instruction: Given the title of two products, predict if the two products are similar, if the two products will be purchased or viewed together. Answer only from the options.

Input:
Product 1: Audicom Corded Call Center Headset Headphone with Mic for Avaya 1416 2420 5410 Aastra 6757i Mitel 5330 NEC Aspire DT300 DSX ShoreTel IP230 Polycom 335 and VVX310 400 Telephone IP Phones(H200STA)
Product 2: Wantek Wired Telephone RJ Headset with Flexible Noise Canceling Mic and Volume Mute Control for Aastra Shoretel Nortel Cisco E20 Polycom Digium Altigen Comdial &amp; Starleaf Office IP Phones(H110B003A)

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