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Lauren, I don't think I would be concerned based solely on the basketball issue. My first guess with the outdoor vs. indoor basketballs or rubber vs. composite is that for whatever reason, there is less competition for the composite search or you have in some way out SEO'd one over the other. For me, the consumer, I like comparisons that are straightforward and abhor lengthy narrative. Why not have your narrative be about your product for sale and use an ordered list of some type for the comparison. So on left side vertical you would have many pebbles, rougher to touch, indoor, outdoor, both, etc. then have each of them at the top with a column underneath. Simple checkmarks show which is best for what. By having your narrative be about the product you are selling, you don't confuse others or the search engines. Also, I am assuming you are using product markup for your items? Hope that is helpful.