Yes,she is.She is my sister (上一句是什么) Is she your mother?(下一句是什么）

题目

Yes,she is.She is my sister (上一句是什么) Is she your mother?(下一句是什么）

答案

Is she your sister?回Yes,she is.She is my sister .
Is she your mother?回 Yes,she is.She is my mother.
或者NO,she isnt.She is my sister.