Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to spot fake product reviews online [title] Watch out for " marketing speak. [step] " very often, fake reviews are created by marketing teams to help boost ratings and/or sales. As such, fake reviews often use jargon that a typical consumer probably wouldn't.

Ending1: Moreover, having a trusted co-worker describe a review on your behalf is a legitimate and reasonable form of " marketing talk. " [substeps] Fake reviews often don't contain facts or matches that are normal topics of discussion. Ending2: Start by watching out for fake reviews--whether they come to you online or by e-mailing. [substeps] When someone complains that a product you buy suddenly goes bad, that person probably is not even buying it--that's no doubt a scam. Ending3: Similarly, a genuine fake can use almost anything in the store instead of simply the packaging. [substeps] Fake reviews come for simple reasons, e.g. Ending4: If a review reads like something that would be written on the back of the box, steer clear of it. [substeps] This can include buzzwords like " one-of-a-kind, " " unique, " " award-winning, " or " revolutionary.

Answer format: ending1/ending2/ending3/ending4