You didn't provide the sentences, however, they probably contain things like vivid descriptions of things or their smells or how they feel when you touch them. If they are extremely realistic, then they are really vivid and this should be your correct sentence.
Jonas's father described Release as "cleaning him (the baby) up and gets him comfy, performs a Ceremony of Release, and waves bye bye."
Hope that helped you.
Answer:
What is the name of the book???
They show that many people worked on the project and demonstrate how hard they worked.