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1. The old man who lives next door is my grandfather.
2. Natalie who is a friend of Emma's is very friendly.
3. We stayed at the Grand Hotel, which Ann recommended to us.
4. The trousers which I bought yesterday are too small for me.
5. John , who I have known for a very long time, is one of my closest friends.
6. The man whom you were talking to is a computer expert.
7. The new stadium, which can hold 90000 people, will be opened next month.
8. Alex, who is Greg's brother, plays the guitar well.
9. This morning I met Diana, whom I hadn't seen for ages.
10. The postcard which came this morning was from Harriet.