Identifying Main Ideas

“Lily wanted a puppy more than anything. She promised her parents she would feed it, walk it, and clean up after it. After weeks of asking, her parents finally said yes! Lily named her puppy Lucky, and they became best friends. What is this story mostly about? Michael was nervous about his first day at a new school. He didn't know anyone and worried about making friends. During lunch, a group of kids invited him to sit with them. They talked about their favorite games and made Michael feel welcome. By the end of the day, Michael was excited to go back to school. What is this story mostly about? ”