story: When the summer came, Rico had to move back home. He was sad because he had made many new friends in Iowa. On the last day of school, Rico exchanged addresses with his friends. When Rico arrived home, he already had letters waiting for him. Rico has many new pen pals that he writes to every week.
 selected sentence: When the summer came, Rico had to move back home.
Rico has to move >Causes> Rico feel(s) upset