Please help me solve this exercise ​

**Defining Relative Clauses:**
1. Last week I bought a book that is a best seller.
2. This is the book where I found the information.
3. We like people only if they are honest.
4. I didn’t recognize the girl to whom I talked.
5. She hasn’t given me back the money that she borrowed from me last month.
6. Have you seen the glasses that were on the top shelf?

**Non-defining Relative Clauses:**
1. Fur coats, which produce indignation among animal lovers, are very popular among wealthy women.
2. My English friends, who are members of Greenpeace, live in Birmingham.
3. Henry, who has two dogs, a cat, a tortoise, and three budgies, is very fond of pets.
4. My brother, who studied biology, works in a laboratory.
5. Westminster Abbey, which is one of the most famous churches in Britain, is close to the Houses of Parliament.
6. Fiesta, which is also called The Sun Also Rises, was written by Ernest Hemingway.

**Complete the Sentences:**
1. James has a close friend who shares his interests and values.
2. This is the machine which plays a crucial role in our manufacturing process.
3. Is this the man whose brilliant idea saved the project?
4. Barcelona was the city where we experienced the vibrant culture and beautiful architecture.
5. I’ll never forget the day when we climbed to the mountain’s summit and witnessed a breathtaking sunrise.
6. Anybody that believes in themselves can achieve their goals.

**Combine the Two Sentences:**
a) The plane that crashed was twenty-five years old.
b) The day Tessa was ill in bed, Martin rang.
c) Our offices in Queen Street are new.
d) The documents stolen from a car have been found.

**Complete the Sentences:**
a) The woman next door is a doctor.
b) My brother Jim, who lives in London, is a doctor.
c) The strike at the car factory, which lasted ten days, is now over.
d) Few of the people who applied for the advertised job had the necessary qualifications.

**Sentences with «All of / Most of (etc.) + Whom / Which»:**
a) Mary has three brothers, all of whom are married.
b) We were given a lot of information, most of which was useless.
c) There were a lot of people at the party, but I had met only a few of whom before.