"Online retail giant Amazon's website is flooded with fake five-star reviews for products from brands it has never heard of, consumer group Which? has claimed."

"Online retail giant Amazon's website is flooded with fake five-star reviews for products from brands it has never heard of, consumer group Which? has claimed." Took me about 5 times reading that to realize "it" referred to "consumer group Which?" I think the question mark in the name helped throw me off...