story: Sam read that his favorite author wrote a new book. The book was going to be on sale in two days. Sam set up camp outside the store to be first in line. He waited until the big day. Once the doors opened he ran to the shelves and got a book.
 selected sentence: Sam set up camp outside the store to be first in line.
Sam camps outside of the bookstore before the book is released >Causes/Enables> Sam waits for the release day