Составить сложноподчиненные предложения со словами who, which, whose, where, when, why.

Her dad was a person, who knew about everything.

It's such a short story, which is interesting to tell.

I need a friend, whose soul is good.

Do you remember that place, where you danced in you childhood?

Today is the day, when I might be really happy.

I don't understand, why are you doing this?