A: you / American?
A: 
Are you American
?
B: No, / I / . / I / Canadian.
B: 
No, I'm not. I'm Canadian
.
2A: he / a student?
A: 
He is a student?
?
B; No, / he / . / He / a teacher.
B: 
.
3A: we / late?
A: 
?
B: No, / you / . / You / early.
B: 
.
4A: they / from India?
A: 
Are they from India?
?
B: No, / they / . / They / China.
B: 
.