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: Envirocare Foam Filters to fit Kenmore Sears Progressive CF1, Progressive &amp; Whispertone, Panasonic Vacuum Cleaners, 86883, 86880, 20-86883, 2086883, 8175084 (pack of 6)
Product 2: Think Crucial 6 Replacements for Kenmore CF1 Micro Filtration Filters Fit Progressive &amp; Whispertone, Compatible With Part # 20-86883, 86883 &amp; 40321

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: A