What is the focus of Panda and Penguin in terms of punishment?
1) Panda focuses on punishing thin, low quality duplicate content while penguin is focused on punishing link schemes or link spam
2) Panda focuses on punishing link schemes or link spam while penguin is focused on punishing thin, low quality duplicate content
3) Panda focuses on punishing thin, low quality duplicate content while penguin is focused on punishing thin, high quality duplicate content
4) Panda focuses on punishing thin, high quality duplicate content while penguin is focused on punishing link schemes or link spam