he与she的区分 — 英语阅读题

At school, I see my friends in the playground. Ben is a boy. He has a blue bag. Lily is a girl. She has a red book. Ben and Lily are kind. I play with them at break time. Ben says, “Hello!” Lily says, “Come and play!” I smile. Ben is my friend. Lily is my friend, too. 根据短文，Ben和Lily分别用 he 还是 she 指代？