Write a question about the following article.

He sank to the bottom of the pool and stayed there . Edna promptly jumped in to save him . She swam to the bottom and pulled him out .

Question:
Why did Edna jump in the water ?
Pick from: 1). None of the above choices .; 2). Someone was drowning in the lake .; 3). Someone could n't swim in the pool .; 4). Someone was having too much fun in the pool .;