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: Legends M712 .177 Caliber Steel BB C02 Mag 18RDS
Product 2: Umarex Heckler &amp; Koch MP5 2252330 BB 40 Rounds 400fps Air Rifle, 0.177 Caliber, Black

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