This document is an email template that a student named Jack wrote to introduce himself and his sister Sahara. It states that Jack is 16 years old, Sahara is 12, they are both students and not adults, they are American and not Canadian, and they are from Chicago, Illinois in the United States. The email uses verbs like "am", "are", "am not", and "aren't" to describe attributes about Jack, Sahara, and where they are from.