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: PANASONIC LUMIX GH4 Body 4K Mirrorless Camera, 16 Megapixels, 3 Inch Touch LCD, DMC-GH4KBODY (USA Black)
Product 2: Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 ASPH POWER O.I.S. Lens 12PC Accessory Kit. Includes Manufacturer Accessories + 3PC Filter Kit (UV-CPL-FLD) + MORE - International Version (No Warranty)

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: B