Task: Product_Relation_Prediction
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: Fotodiox Lens Mount Adapter - Leica R SLR Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body
Product 2: Fotodiox Lens Mount Adapter w/Focus Confirmation Chip, Leica R (LR) Lens to Canon EOS EF, EF-S Camera i.e. EOS 7D, 1D &amp; 60D

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