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: Extra Thick Flexible Cutting Mats With Food Icons &amp; &quot;EZ-Grip&quot; Back (Set Of 4)
Product 2: Pro chef's knife, 8-In Kitchen knife High Carbon, Stainless Steel Knives for chef with Ergonomic Equipment Handle

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