Instruction: Evaluate the titles of Product 1 and Product 2 to assess their similarity and whether they are likely to be purchased or viewed together. Then, select the appropriate option.

Input:
Product 1: Carl&rsquo;s Gray Rear Projection Screen Film (4:3 | 6.75x9-Ft | 131-in) Rear Projection Screen Finished Black Vinyl Edges &amp; Grommets, Translucent Grey PVC for DIY Rear Projection Projector Screen
Product 2: Carl's Blackout Cloth, DIY Projector Screen, Raw Material/Fabric, 66x110-inch, Matte White, 16:9/1.0

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: C