Context: I was out for a cigarette about twenty minutes ago and two cockatoo 's came and flew onto the patio roof ! Sydeny went balistic in a happy way ( he was going " HELLO ! HELLOOOOO ! ! ! )

Question: Why might Sydeny be so happy about the cockatoos ?
Options:
0. Because it 's rare to see cockatoos flying freely because they 're not kept as pets .
1. Because it 's common to see cockatoos flying freely because they 're kept as pets .
2. Because it 's common to see cockatoos flying in the wild because they 're kept as pets .
3. Because it 's rare to see cockatoos flying freely because they 're kept as pets .
Answer: 3