Which event is NOT part of the rising action in "Rikki-tikki-tavi"?

Which one is right
• Rikki-tikki-tavi kills Nagina, the mother snake.

• Rikki-tikki-tavi confronts Nag, the father snake.

• Nag the snake kills and eats one of Darzee's fledglings.

• Teddy's family finds Rikki-tikki-tavi and decides to bring him home.

The event that is NOT part of the rising action in "Rikki-tikki-tavi" is:

• Rikki-tikki-tavi kills Nagina, the mother snake.