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: Sigma 30mm F1.4 Contemporary DC DN Lens for Micro 4/3
Product 2: Sigma 30mm F1.4 DC DN Lens for Micro 4/3 Mount includes Bonus Xit 60&quot; Full Size Photo/Video Tripod and More

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