story: Bill wanted some new jeans. He did not have a lot of money. He found some cheap ones for 10 dollars. However, they faded easily in the wash. He finally just bought a 30 dollar pair and the lasted a long time.
 selected sentence: He finally just bought a 30 dollar pair and the lasted a long time.
He buys a $30 pair >Causes/Enables> They last a long time