He is operating the equipment in the control room.

I like reading books in the library.

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.

The baby was born in the delivery room.

He entered the confessional of the church.

The crescent moon is floating in the sky, it's very beautiful.

Kazutoshi is my best friend.

How long is the execution time of this program?