He entered the confessional of the church.

I'm going to the nurse's office because I have a headache.

He is operating the equipment in the control room.

His left ventricle is functioning normally.

His right ventricle is functioning normally.

I'm looking forward to watching the new movie in the screening room.

My laboratory is on the third floor of the university.

I was waiting for him in the waiting room.

We had a discussion in the lounge while drinking coffee.

He was taken to the operating room.