Lesson 5. 
----------
* Problem 1.
1. This is Kenji. He is a student.
2. This is Keiko. She is my sister.
3. This is Tom. He is my friend.
4. This is my aunt. She is from Nara.
5. This is your uncle. He is a doctor.

* Problem 2. 
1. He is a student.
2. She is Jane's sister.
3. He is my father.
4. He is an English teacher.
5. She is from Mexico.

* Problem 3.
1. She is my friend.
2. He is a high school student.
3. She isn't my mother.

* Problem 4.
1. He is a soccer player.
	He is not a soccer player.
	He isn't  a soccer player.
2. She is my aunt.
	Is she my aunt?
	Yes, she is.