Input text: A [Sci] wall is 5 feet tall.
It stands on top of a skyscraper which is 30 feet tall.
3 ghosts are in front of the building. A ufo is 7 feet above the skyscraper. A [siffy] rug is 5 feet in front of the ghosts. 12 flames are on top of the [siffy] rug. The [siffy] rug is 12 feet long. 3 vampires stand to the left of the ghosts. 3 aliens stand to the right of the ghosts.