Answer:
I don't know the article, but I would say structure and building.
Step-by-step explanation:
System means something that has multiple parts that work together, while information could mean facts, ideas, etc related to a certain topic.
Luxury is an adjective--you would describe something as a "luxury car" vs home is a noun.
Structure as a noun refers to the basis of something that is built, which could be very close to building.
Benefits are usually something that you get in return for something, while bills are what are given to you to pay.