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: 2x Pack - Sony NP-F570 Battery + Charger - Replacement for Sony NP-F550 Digital Camera Battery and Charger (2200mAh, 7.2V, Lithium-Ion)
Product 2: Powerextra 2 Pack Replacement Sony NP-F550 Battery and Charger Compatible With Sony NP-F330, NP-F530, NP-F570 and Sony CCD-RV100, CCD-RV200, SC5, TR917 Camera CN-160, CN-216 LED Video Light

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