[franksolich]

"I was about to sit down and lifted the seat and there was something big and fat lying down there," Bente Mørch told newspaper VG.

Now, that has to be sloppy translation.

I'm sure she really said "I lifted the seat and was about to sit down....."

It makes more sense.

[GoLightly]

"I lifted the seat and was about to sit down....."

The entire contraption is called a seat, cuz when the lid is closed the fixture can be considered to be a "seat".