根据首字母提示补全对话。

Amy: 1___________ is that woman?

Chen Jie: 2___________ is my mother.

Amy: Who's that 3___________?

Chen Jie: 4___________ is my father.

Chen Jie: Hi, mom! This is my friend, Amy.

Mom: 5___________ to meet you.

Amy: Nice to meet you, too.

1. W__ __ 

2. S__ __

3. m__ __

4. H__

5. N__ __ __

根据我国《合同法》的规定，违反法律、行政法规和规章强制性规定的合同无效。（）