将下列的名和姓进行分类
Barry Vickers Tony Green Michael
Bill Paula Jones Mark Amy
Gina Liza Peter Smith Linda
Brown Cooper Black Grace Mary
| First name | boys’ name | （1） |
| girls’ name | （2） | |
| last name | （3） | |
1．Barry, Vickers, Tony, Micheal, Bill, Mark, Peter.
2．Paula, Jones, Amy, Gina, Liza, Linda, Mary.
3．Green, Smith, Brown, Cooper, Black, Grace.
B
C
D
means______. 
B
C
D
