Which sentence is grammatically True?
1 I have two childs, a boy and a girl. The boy is 6 and the girl is 4
2 I have two children, a boy and a girl. The boy is 6 and the girl is 4
3 I have two children, the boy and the girl. My boy is 6 and my girl is 4
4 I have two childs, a boy and a girl. My boy is 6 and my girl is 4