You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product? Review title: GTO Replacement Cap Product review: While there is a TSB for the stock filler cap on the GTO, I didn't feel like replacing it yet again with a flawed OEM. This one fit perfectly, gets the job done.
increase

You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product? Review title: Great movie! Product review: Awesome, classic movie. James Stewart does an awesome job in this, one of his later movies. They don't make movies like this anymore.
increase

You are considering whether to buy a product. You look at the reviews. Would the following review decrease or increase the chances of you buying the product? Review title: Indeed a Travesty of a Masterpiece Product review: [...] I could not have written a better and more accurate description of this assassination of a masterpiece, of perhaps the best zarzuela that ever was. What a pity that better productions, of which you can see parts on You Tube (and which were taped live at Madrid theaters) have not been produced on DVD, productions that completely respect the composer's work. A masterpiece, as La verbena is, neeeds NO modern adaptation, just as Puccini and Verdi and Mozart need no idiotic producer as this woman is to have the nerve and idiocy of changing and "adapting" such perfect works of art. [...]
