Ex 2:
1. I read about the new computer that I had seen on TV.
2. Nobody liked the cake that Jane made.
3. The letter that Mary sent me was very funny.
4. The newspaper is going to publish the article that my sister wrote.
5. The old lady that I met was one hundred and three years old.
6. I saw the house that my brother wants to buy.
Ex 3:
1. who has visited so many different countries
2. who interviewed me had
3. whose wives have just had babies
4. whose book won a prize last week
5. who complain all the time
6. whose car had broken down
