Who is that?
He is my father, an engineer.
Who is this?
He is an engineer, my father.
Who is he?
He is my father.
Who is he?
He is an engineer.
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Are all the answers correct?
He is my father, an engineer.
Who is this?
He is an engineer, my father.
Who is he?
He is my father.
Who is he?
He is an engineer.
--------------------------
Are all the answers correct?