Determining Main Ideas

“A little boy named Sam was scared to go to his first day of school. His mom walked with him and held his hand. When he saw his classroom and met his teacher, he felt much better and smiled. What is this story mostly about? A girl named Lily wanted a puppy more than anything. She promised her parents she would feed it, walk it, and play with it every day. Her parents agreed, and Lily was so happy to finally have a puppy to love. What is this story mostly about? ”