I`m 15th Doctor. I`m the spoiler.
Dalek: Records indicate you will show mercy. You are an associate of the Doctor.
River Song: I'm River Song. Check your records again.
Dalek:... Mercy.
River Song: Say it again.
Dalek: Mercy!
River Song: One more time.
Dalek: Mercy!!!
Amy: What happened to the Dalek?
River: It died.
River Song: I'm River Song. Check your records again.
Dalek:... Mercy.
River Song: Say it again.
Dalek: Mercy!
River Song: One more time.
Dalek: Mercy!!!
Amy: What happened to the Dalek?
River: It died.