英语句型转换题上的（合并为一句）和（改为定语从句）一样吗?

题目

英语句型转换题上的（合并为一句）和（改为定语从句）一样吗?
Do you know the girl?Her coat is red.(合并为一句）
Do you know the girl ___ ___ is red.
He is the only student in our class.His father is a policeman.(改为定语从句）
He is the only student in our class ____ ____ is a policeman.

答案