Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Squirrel proof - yesiree!

I was skeptical that the squirrels wouldn't be able to reach the seed below the screen with their paws, but indeed they cannot. So this is a rare item -- a platform feeder that allows cardinals and grosbeaks, but not squirrels. This feeder is well constructed, but the two small downsides are that it's time-consuming to dismantle to refill the seeds, and it only holds about a pound of seed, so you need to refill fairly often. I use sunflower and safflower seeds in mine. For a full review of this and other feeders, visit my feeder review blog - Curious Wren (dot com).